diff --git a/eive_tmtc/cfdp/tm.py b/eive_tmtc/cfdp/tm.py
index 7484606..5db88dc 100644
--- a/eive_tmtc/cfdp/tm.py
+++ b/eive_tmtc/cfdp/tm.py
@@ -4,7 +4,7 @@ from eive_tmtc.config.definitions import CFDP_APID
 from spacepackets.ccsds import SPACE_PACKET_HEADER_SIZE
 from spacepackets.cfdp import PduFactory, PduType, DirectiveType
 from tmtccmd.cfdp.handler import CfdpInCcsdsHandler
-from tmtccmd.tm import SpecificApidHandlerBase
+from tmtccmd.tmtc import SpecificApidHandlerBase
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/eive_tmtc/gomspace/gomspace_common.py b/eive_tmtc/gomspace/gomspace_common.py
index 0e102ca..daa808c 100644
--- a/eive_tmtc/gomspace/gomspace_common.py
+++ b/eive_tmtc/gomspace/gomspace_common.py
@@ -11,8 +11,8 @@ import struct
 from typing import Union
 
 from spacepackets.ecss import PusTelecommand
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.pus.s8_fsfw_funccmd import create_action_cmd
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.s8_fsfw_action import create_action_cmd
 from tmtccmd.util import ObjectIdU32, ObjectIdBase
 
 
diff --git a/eive_tmtc/pus_tc/procedure_packer.py b/eive_tmtc/pus_tc/procedure_packer.py
index 4ccf291..60937c7 100644
--- a/eive_tmtc/pus_tc/procedure_packer.py
+++ b/eive_tmtc/pus_tc/procedure_packer.py
@@ -12,8 +12,8 @@ from eive_tmtc.tmtc.payload.scex import pack_scex_cmds
 from eive_tmtc.tmtc.tcs.subsystem import pack_tcs_sys_commands
 from tmtccmd import DefaultProcedureInfo, TcHandlerBase
 from tmtccmd.config import CoreServiceList
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.decorator import (
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.tmtc.decorator import (
     route_to_registered_service_handlers,
     ServiceProviderParams,
 )
diff --git a/eive_tmtc/pus_tc/system/controllers.py b/eive_tmtc/pus_tc/system/controllers.py
index 6ffcceb..161cade 100644
--- a/eive_tmtc/pus_tc/system/controllers.py
+++ b/eive_tmtc/pus_tc/system/controllers.py
@@ -1,7 +1,7 @@
 from typing import Union
 
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_200_fsfw_mode import Mode
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.s200_fsfw_mode import Mode
 from tmtccmd.util import ObjectIdU32, ObjectIdBase
 
 from eive_tmtc.tmtc.common import pack_mode_cmd_with_info
diff --git a/eive_tmtc/pus_tc/system/proc.py b/eive_tmtc/pus_tc/system/proc.py
index 8a80b1c..5656b3c 100644
--- a/eive_tmtc/pus_tc/system/proc.py
+++ b/eive_tmtc/pus_tc/system/proc.py
@@ -10,7 +10,7 @@ from spacepackets.ecss import PusTelecommand
 from tmtccmd.config import TmtcDefinitionWrapper, OpCodeEntry
 from tmtccmd.config.tmtc import tmtc_definitions_provider
 
-from tmtccmd.tc import DefaultPusQueueHelper
+from tmtccmd.tmtc import DefaultPusQueueHelper
 from tmtccmd.pus.s11_tc_sched import (
     create_time_tagged_cmd,
     create_enable_tc_sched_cmd,
@@ -50,7 +50,7 @@ from eive_tmtc.tmtc.acs.gyros import (
     L3gGyroSetId as L3gGyroSetIds_1_3,
 )
 from eive_tmtc.tmtc.acs.gps import SetId as GpsSetIds
-from tmtccmd.tc.pus_3_fsfw_hk import (
+from tmtccmd.pus.tc.s3_fsfw_hk import (
     make_sid,
     disable_periodic_hk_command,
     create_enable_periodic_hk_command_with_interval,
diff --git a/eive_tmtc/pus_tc/tc_handler.py b/eive_tmtc/pus_tc/tc_handler.py
index 8ebc652..3ff9778 100644
--- a/eive_tmtc/pus_tc/tc_handler.py
+++ b/eive_tmtc/pus_tc/tc_handler.py
@@ -12,7 +12,7 @@ from tmtccmd.cfdp.defs import CfdpRequestType
 from tmtccmd.cfdp.handler import CfdpInCcsdsHandler
 from tmtccmd.logging import get_current_time_string
 from tmtccmd.logging.pus import RawTmtcTimedLogWrapper
-from tmtccmd.tc import (
+from tmtccmd.tmtc import (
     DefaultPusQueueHelper,
     QueueWrapper,
     FeedWrapper,
diff --git a/eive_tmtc/pus_tm/action_reply_handler.py b/eive_tmtc/pus_tm/action_reply_handler.py
index 49981bf..32730e3 100644
--- a/eive_tmtc/pus_tm/action_reply_handler.py
+++ b/eive_tmtc/pus_tm/action_reply_handler.py
@@ -18,7 +18,7 @@ from eive_tmtc.tmtc.payload.ploc_mpsoc import handle_mpsoc_data_reply
 from eive_tmtc.tmtc.payload.ploc_supervisor import SupvActionId
 from eive_tmtc.tmtc.acs.star_tracker import handle_star_tracker_action_replies
 from eive_tmtc.tmtc.power.tm import handle_get_param_data_reply
-from tmtccmd.tm import Service8FsfwTm
+from tmtccmd.pus.s8_fsfw_action import Service8FsfwTm
 from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
 from spacepackets.ccsds.time import CdsShortTimestamp
 from tmtccmd.util import ObjectIdDictT
diff --git a/eive_tmtc/pus_tm/event_handler.py b/eive_tmtc/pus_tm/event_handler.py
index 9597bf4..496c28b 100644
--- a/eive_tmtc/pus_tm/event_handler.py
+++ b/eive_tmtc/pus_tm/event_handler.py
@@ -8,10 +8,10 @@ from eive_tmtc.pus_tm.defs import PrintWrapper
 from eive_tmtc.pus_tm.verification_handler import generic_retval_printout
 from eive_tmtc.tmtc.acs.subsystem import AcsMode
 from eive_tmtc.tmtc.core import SdState, SdCardSelect
-from tmtccmd.tc.pus_200_fsfw_mode import Mode
-from tmtccmd.tc.pus_201_fsfw_health import FsfwHealth
+from tmtccmd.pus.s200_fsfw_mode import Mode
+from tmtccmd.pus.s201_fsfw_health import FsfwHealth
 
-from tmtccmd.tm import Service5Tm
+from tmtccmd.pus.s5_fsfw_event import Service5Tm
 from tmtccmd.fsfw import EventInfo
 from spacepackets.ccsds.time import CdsShortTimestamp
 
diff --git a/eive_tmtc/pus_tm/hk_handler.py b/eive_tmtc/pus_tm/hk_handler.py
index ac40d80..8391f69 100644
--- a/eive_tmtc/pus_tm/hk_handler.py
+++ b/eive_tmtc/pus_tm/hk_handler.py
@@ -17,7 +17,7 @@ from eive_tmtc.tmtc.com.syrlinks_handler import handle_syrlinks_hk_data
 from eive_tmtc.tmtc.tcs import handle_thermal_controller_hk_data
 from eive_tmtc.tmtc.tcs.tmp1075 import handle_tmp_1075_hk_data
 from spacepackets.ecss import PusTelemetry
-from tmtccmd.tm.pus_3_fsfw_hk import (
+from tmtccmd.pus.tm.s3_fsfw_hk import (
     Service3Base,
     HkContentType,
     Service3FsfwTm,
diff --git a/eive_tmtc/pus_tm/pus_demux.py b/eive_tmtc/pus_tm/pus_demux.py
index f178990..fd938c9 100644
--- a/eive_tmtc/pus_tm/pus_demux.py
+++ b/eive_tmtc/pus_tm/pus_demux.py
@@ -2,24 +2,25 @@
 """
 import logging
 
-from eive_tmtc.config.object_ids import get_object_ids
+from spacepackets.ccsds.time import CdsShortTimestamp
 from spacepackets.ecss import PusTelemetry
 from spacepackets.ecss.pus_17_test import Service17Tm
 from spacepackets.util import PrintFormats
-from spacepackets.ccsds.time import CdsShortTimestamp
+from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
 from tmtccmd.logging.pus import RawTmtcTimedLogWrapper
 from tmtccmd.pus import VerificationWrapper
-from tmtccmd.tm import Service20FsfwTm, Service200FsfwTm
-from tmtccmd.tm.pus_20_fsfw_param import Service20ParamDumpWrapper
+from tmtccmd.pus.s20_fsfw_param import Service20FsfwTm, Service20ParamDumpWrapper
 from tmtccmd.pus.s20_fsfw_param_defs import CustomSubservice as ParamSubservice
-from tmtccmd.tm.pus_200_fsfw_mode import Subservice as ModeSubservice
-from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
-from .defs import PrintWrapper
+from tmtccmd.pus.s200_fsfw_mode import Service200FsfwTm
+from tmtccmd.pus.s200_fsfw_mode import Subservice as ModeSubservice
+
+from eive_tmtc.config.object_ids import get_object_ids
 
-from .event_handler import handle_event_packet
-from .verification_handler import handle_service_1_fsfw_packet, generic_retval_printout
-from .hk_handler import handle_hk_packet, HkFilter
 from .action_reply_handler import handle_action_reply
+from .defs import PrintWrapper
+from .event_handler import handle_event_packet
+from .hk_handler import HkFilter, handle_hk_packet
+from .verification_handler import generic_retval_printout, handle_service_1_fsfw_packet
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/eive_tmtc/pus_tm/verification_handler.py b/eive_tmtc/pus_tm/verification_handler.py
index 7d75fa8..6de1582 100644
--- a/eive_tmtc/pus_tm/verification_handler.py
+++ b/eive_tmtc/pus_tm/verification_handler.py
@@ -4,7 +4,7 @@ from typing import List, Optional
 from spacepackets.ccsds import CdsShortTimestamp
 from spacepackets.ecss.pus_1_verification import UnpackParams, Service1Tm
 from tmtccmd.pus import VerificationWrapper
-from tmtccmd.tm.pus_1_verification import Service1FsfwWrapper
+from tmtccmd.pus.s1_verification import Service1FsfwWrapper
 from eive_tmtc.config.retvals import get_retval_dict
 
 _LOGGER = logging.getLogger(__name__)
diff --git a/eive_tmtc/tmtc/acs/acs_board.py b/eive_tmtc/tmtc/acs/acs_board.py
index 0027ee4..c3a4988 100644
--- a/eive_tmtc/tmtc/acs/acs_board.py
+++ b/eive_tmtc/tmtc/acs/acs_board.py
@@ -6,9 +6,9 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
     OpCodeEntry,
 )
-from tmtccmd.tc import service_provider, DefaultPusQueueHelper
-from tmtccmd.tc.decorator import ServiceProviderParams
-from tmtccmd.tc.pus_200_fsfw_mode import Mode
+from tmtccmd.tmtc import service_provider, DefaultPusQueueHelper
+from tmtccmd.tmtc.decorator import ServiceProviderParams
+from tmtccmd.pus.s200_fsfw_mode import Mode
 from eive_tmtc.config.object_ids import ACS_BOARD_ASS_ID
 
 from eive_tmtc.tmtc.common import pack_mode_cmd_with_info
diff --git a/eive_tmtc/tmtc/acs/acs_ctrl.py b/eive_tmtc/tmtc/acs/acs_ctrl.py
index 83d46c4..dcd74e9 100644
--- a/eive_tmtc/tmtc/acs/acs_ctrl.py
+++ b/eive_tmtc/tmtc/acs/acs_ctrl.py
@@ -1,49 +1,47 @@
 import datetime
 import enum
 import logging
+import math
 import socket
 import struct
-import math
 from socket import AF_INET
 from typing import Tuple
 
+from tmtccmd.config.tmtc import (
+    OpCodeEntry,
+    TmtcDefinitionWrapper,
+    tmtc_definitions_provider,
+)
+from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
+from tmtccmd.pus.s8_fsfw_action import create_action_cmd
+from tmtccmd.pus.s20_fsfw_param import create_load_param_cmd
+from tmtccmd.pus.s20_fsfw_param_defs import (
+    create_matrix_double_parameter,
+    create_matrix_float_parameter,
+    create_scalar_double_parameter,
+    create_scalar_float_parameter,
+    create_scalar_i32_parameter,
+    create_scalar_u8_parameter,
+    create_scalar_u16_parameter,
+    create_vector_double_parameter,
+    create_vector_float_parameter,
+)
+from tmtccmd.pus.s200_fsfw_mode import Mode, pack_mode_command
+from tmtccmd.pus.tc.s3_fsfw_hk import (
+    create_request_one_diag_command,
+    disable_periodic_hk_command,
+    enable_periodic_hk_command_with_interval,
+    generate_one_hk_command,
+    make_sid,
+)
+from tmtccmd.tmtc import service_provider
+from tmtccmd.tmtc.decorator import ServiceProviderParams
+from tmtccmd.tmtc.queue import DefaultPusQueueHelper
+
 from eive_tmtc.config.definitions import CustomServiceList
 from eive_tmtc.config.object_ids import ACS_CONTROLLER
 from eive_tmtc.pus_tm.defs import PrintWrapper
 from eive_tmtc.tmtc.acs.defs import AcsMode, SafeSubmode
-from tmtccmd.config.tmtc import (
-    tmtc_definitions_provider,
-    TmtcDefinitionWrapper,
-    OpCodeEntry,
-)
-from tmtccmd.tc import service_provider
-from tmtccmd.tc.queue import DefaultPusQueueHelper
-from tmtccmd.tc.pus_200_fsfw_mode import Mode, pack_mode_command
-from tmtccmd.tc.decorator import ServiceProviderParams
-from tmtccmd.tc.pus_3_fsfw_hk import (
-    generate_one_hk_command,
-    make_sid,
-    enable_periodic_hk_command_with_interval,
-    disable_periodic_hk_command,
-    create_request_one_diag_command,
-)
-from tmtccmd.pus.s8_fsfw_funccmd import create_action_cmd
-from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
-
-from tmtccmd.tc.pus_20_fsfw_param import create_load_param_cmd
-
-from tmtccmd.pus.s20_fsfw_param_defs import (
-    create_scalar_u8_parameter,
-    create_scalar_u16_parameter,
-    create_scalar_i32_parameter,
-    create_scalar_float_parameter,
-    create_scalar_double_parameter,
-    create_vector_float_parameter,
-    create_vector_double_parameter,
-    create_matrix_float_parameter,
-    create_matrix_double_parameter,
-)
-
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/eive_tmtc/tmtc/acs/gps.py b/eive_tmtc/tmtc/acs/gps.py
index 8420d29..de5f823 100644
--- a/eive_tmtc/tmtc/acs/gps.py
+++ b/eive_tmtc/tmtc/acs/gps.py
@@ -7,9 +7,9 @@ from eive_tmtc.config.definitions import CustomServiceList
 from eive_tmtc.pus_tm.defs import PrintWrapper
 from tmtccmd.config import TmtcDefinitionWrapper, OpCodeEntry
 from tmtccmd.config.tmtc import tmtc_definitions_provider
-from tmtccmd.tc.pus_200_fsfw_mode import create_mode_command, Mode
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_3_fsfw_hk import (
+from tmtccmd.pus.s200_fsfw_mode import create_mode_command, Mode
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.tc.s3_fsfw_hk import (
     make_sid,
     create_request_one_hk_command,
     create_enable_periodic_hk_command_with_interval_with_diag,
diff --git a/eive_tmtc/tmtc/acs/gyros.py b/eive_tmtc/tmtc/acs/gyros.py
index e9c6c6f..4fe1442 100644
--- a/eive_tmtc/tmtc/acs/gyros.py
+++ b/eive_tmtc/tmtc/acs/gyros.py
@@ -3,13 +3,13 @@ import logging
 import struct
 
 from spacepackets.ecss import PusTelecommand
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_201_fsfw_health import pack_set_health_cmd_data, FsfwHealth
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.s201_fsfw_health import pack_set_health_cmd_data, FsfwHealth
 from tmtccmd.pus.s201_fsfw_health import Subservice
 
 import eive_tmtc.config.object_ids as obj_ids
-from tmtccmd.tc.pus_200_fsfw_mode import create_mode_command, Mode
-from tmtccmd.tc.pus_3_fsfw_hk import create_request_one_hk_command, make_sid
+from tmtccmd.pus.s200_fsfw_mode import create_mode_command, Mode
+from tmtccmd.pus.tc.s3_fsfw_hk import create_request_one_hk_command, make_sid
 from tmtccmd.config.tmtc import (
     tmtc_definitions_provider,
     OpCodeEntry,
diff --git a/eive_tmtc/tmtc/acs/imtq.py b/eive_tmtc/tmtc/acs/imtq.py
index e9d873a..a0cb0eb 100644
--- a/eive_tmtc/tmtc/acs/imtq.py
+++ b/eive_tmtc/tmtc/acs/imtq.py
@@ -18,8 +18,8 @@ from tmtccmd.config.tmtc import (
     OpCodeEntry,
     TmtcDefinitionWrapper,
 )
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_3_fsfw_hk import (
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.tc.s3_fsfw_hk import (
     make_sid,
     generate_one_diag_command,
     generate_one_hk_command,
@@ -27,7 +27,7 @@ from tmtccmd.tc.pus_3_fsfw_hk import (
     create_enable_periodic_hk_command_with_interval_with_diag,
     create_disable_periodic_hk_command_with_diag,
 )
-from tmtccmd.tc.pus_200_fsfw_mode import pack_mode_data, Mode
+from tmtccmd.pus.s200_fsfw_mode import pack_mode_data, Mode
 from tmtccmd.util import ObjectIdU32
 from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
 
diff --git a/eive_tmtc/tmtc/acs/mgms.py b/eive_tmtc/tmtc/acs/mgms.py
index 3450ef9..1166d94 100644
--- a/eive_tmtc/tmtc/acs/mgms.py
+++ b/eive_tmtc/tmtc/acs/mgms.py
@@ -14,8 +14,8 @@ from eive_tmtc.config.object_ids import (
 
 from eive_tmtc.pus_tm.defs import PrintWrapper
 from tmtccmd.config.tmtc import tmtc_definitions_provider, TmtcDefinitionWrapper
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_200_fsfw_mode import create_mode_command, Mode
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.s200_fsfw_mode import create_mode_command, Mode
 from tmtccmd.util import ObjectIdU32
 
 
diff --git a/eive_tmtc/tmtc/acs/reaction_wheels.py b/eive_tmtc/tmtc/acs/reaction_wheels.py
index 55b7ddb..7fe3b9b 100644
--- a/eive_tmtc/tmtc/acs/reaction_wheels.py
+++ b/eive_tmtc/tmtc/acs/reaction_wheels.py
@@ -12,17 +12,17 @@ from eive_tmtc.pus_tm.defs import PrintWrapper
 from eive_tmtc.config.object_ids import RW1_ID, RW2_ID, RW3_ID, RW4_ID
 from tmtccmd.config import TmtcDefinitionWrapper, OpCodeEntry
 from tmtccmd.config.tmtc import tmtc_definitions_provider
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_3_fsfw_hk import (
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.tc.s3_fsfw_hk import (
     generate_one_hk_command,
     generate_one_diag_command,
     make_sid,
     enable_periodic_hk_command_with_interval,
     disable_periodic_hk_command,
 )
-from tmtccmd.tc.pus_8_fsfw_funccmd import create_action_cmd
+from tmtccmd.pus.s8_fsfw_action import create_action_cmd
 from spacepackets.ecss.tc import PusTelecommand
-from tmtccmd.tc.pus_200_fsfw_mode import pack_mode_data, Mode, Subservice
+from tmtccmd.pus.s200_fsfw_mode import pack_mode_data, Mode, Subservice
 from eive_tmtc.config.definitions import CustomServiceList
 from tmtccmd.util import ObjectIdU32
 from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
diff --git a/eive_tmtc/tmtc/acs/star_tracker.py b/eive_tmtc/tmtc/acs/star_tracker.py
index f068d59..17fec8b 100644
--- a/eive_tmtc/tmtc/acs/star_tracker.py
+++ b/eive_tmtc/tmtc/acs/star_tracker.py
@@ -16,16 +16,16 @@ from eive_tmtc.utility.input_helper import InputHelper
 from spacepackets.ecss.tc import PusTelecommand
 from tmtccmd.config import TmtcDefinitionWrapper, OpCodeEntry
 from tmtccmd.config.tmtc import tmtc_definitions_provider
-from tmtccmd.tc.pus_3_fsfw_hk import (
+from tmtccmd.pus.tc.s3_fsfw_hk import (
     create_request_one_diag_command,
     create_request_one_hk_command,
     enable_periodic_hk_command_with_interval,
     disable_periodic_hk_command,
     make_sid,
 )
-from tmtccmd.pus.s8_fsfw_funccmd import create_action_cmd
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_200_fsfw_mode import pack_mode_data, Mode
+from tmtccmd.pus.s8_fsfw_action import create_action_cmd
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.s200_fsfw_mode import pack_mode_data, Mode
 from tmtccmd.util import ObjectIdU32
 from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
 from eive_tmtc.config.object_ids import STR_ASSEMBLY, STAR_TRACKER_ID
diff --git a/eive_tmtc/tmtc/acs/str_img_helper.py b/eive_tmtc/tmtc/acs/str_img_helper.py
index e33864a..dae085c 100644
--- a/eive_tmtc/tmtc/acs/str_img_helper.py
+++ b/eive_tmtc/tmtc/acs/str_img_helper.py
@@ -12,7 +12,7 @@
 import struct
 
 from spacepackets.ecss.tc import PusTelecommand
-from tmtccmd.tc import DefaultPusQueueHelper
+from tmtccmd.tmtc import DefaultPusQueueHelper
 from tmtccmd.util import ObjectIdU32
 
 
diff --git a/eive_tmtc/tmtc/acs/subsystem.py b/eive_tmtc/tmtc/acs/subsystem.py
index 223c558..657c8e7 100644
--- a/eive_tmtc/tmtc/acs/subsystem.py
+++ b/eive_tmtc/tmtc/acs/subsystem.py
@@ -11,9 +11,9 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
     OpCodeEntry,
 )
-from tmtccmd.tc.pus_200_fsfw_mode import Subservice as ModeSubservices
-from tmtccmd.tc import service_provider
-from tmtccmd.tc.decorator import ServiceProviderParams
+from tmtccmd.pus.s200_fsfw_mode import Subservice as ModeSubservices
+from tmtccmd.tmtc import service_provider
+from tmtccmd.tmtc.decorator import ServiceProviderParams
 
 
 class OpCode(str, enum.Enum):
diff --git a/eive_tmtc/tmtc/acs/sus_board.py b/eive_tmtc/tmtc/acs/sus_board.py
index d3d406d..cc419a4 100644
--- a/eive_tmtc/tmtc/acs/sus_board.py
+++ b/eive_tmtc/tmtc/acs/sus_board.py
@@ -7,9 +7,9 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
     OpCodeEntry,
 )
-from tmtccmd.tc import service_provider, DefaultPusQueueHelper
-from tmtccmd.tc.decorator import ServiceProviderParams
-from tmtccmd.tc.pus_200_fsfw_mode import Mode
+from tmtccmd.tmtc import service_provider, DefaultPusQueueHelper
+from tmtccmd.tmtc.decorator import ServiceProviderParams
+from tmtccmd.pus.s200_fsfw_mode import Mode
 
 
 class SusOpCode:
diff --git a/eive_tmtc/tmtc/com/ccsds_handler.py b/eive_tmtc/tmtc/com/ccsds_handler.py
index 5fa4985..4aba6ed 100644
--- a/eive_tmtc/tmtc/com/ccsds_handler.py
+++ b/eive_tmtc/tmtc/com/ccsds_handler.py
@@ -15,8 +15,8 @@ from tmtccmd.config.tmtc import (
     OpCodeEntry,
     TmtcDefinitionWrapper,
 )
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_200_fsfw_mode import create_mode_command, Mode
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.s200_fsfw_mode import create_mode_command, Mode
 from tmtccmd.util import ObjectIdU32
 
 
diff --git a/eive_tmtc/tmtc/com/pdec_handler.py b/eive_tmtc/tmtc/com/pdec_handler.py
index 758ca5c..24e7a1f 100644
--- a/eive_tmtc/tmtc/com/pdec_handler.py
+++ b/eive_tmtc/tmtc/com/pdec_handler.py
@@ -8,10 +8,10 @@
 import enum
 
 from spacepackets.ecss.tc import PusTelecommand
-from tmtccmd.tc import DefaultPusQueueHelper
+from tmtccmd.tmtc import DefaultPusQueueHelper
 
-from tmtccmd.tc.pus_20_fsfw_param import create_load_param_cmd
-from tmtccmd.tc.pus_8_fsfw_funccmd import create_action_cmd
+from tmtccmd.pus.s20_fsfw_param import create_load_param_cmd
+from tmtccmd.pus.s8_fsfw_action import create_action_cmd
 from tmtccmd.pus.s20_fsfw_param_defs import create_scalar_u8_parameter
 
 from tmtccmd.config.tmtc import (
diff --git a/eive_tmtc/tmtc/com/subsystem.py b/eive_tmtc/tmtc/com/subsystem.py
index 35cc3ff..900981f 100644
--- a/eive_tmtc/tmtc/com/subsystem.py
+++ b/eive_tmtc/tmtc/com/subsystem.py
@@ -12,15 +12,15 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
     OpCodeEntry,
 )
-from tmtccmd.tc import service_provider
-from tmtccmd.tc.decorator import ServiceProviderParams
-from tmtccmd.tc.pus_200_fsfw_mode import (
+from tmtccmd.tmtc import service_provider
+from tmtccmd.tmtc.decorator import ServiceProviderParams
+from tmtccmd.pus.s200_fsfw_mode import (
     create_mode_command,
     create_read_mode_command,
     create_announce_mode_command,
     create_announce_mode_recursive_command,
 )
-from tmtccmd.tc.pus_20_fsfw_param import (
+from tmtccmd.pus.s20_fsfw_param import (
     create_load_param_cmd,
 )
 
diff --git a/eive_tmtc/tmtc/com/syrlinks_handler.py b/eive_tmtc/tmtc/com/syrlinks_handler.py
index c757a61..608d101 100644
--- a/eive_tmtc/tmtc/com/syrlinks_handler.py
+++ b/eive_tmtc/tmtc/com/syrlinks_handler.py
@@ -17,8 +17,8 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
     OpCodeEntry,
 )
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_3_fsfw_hk import (
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.tc.s3_fsfw_hk import (
     make_sid,
     create_request_one_diag_command,
     create_request_one_hk_command,
@@ -26,7 +26,7 @@ from tmtccmd.tc.pus_3_fsfw_hk import (
     create_disable_periodic_hk_command_with_diag,
 )
 from spacepackets.ecss.tc import PusTelecommand
-from tmtccmd.tc.pus_200_fsfw_mode import Mode, create_mode_command
+from tmtccmd.pus.s200_fsfw_mode import Mode, create_mode_command
 from eive_tmtc.config.object_ids import SYRLINKS_HANDLER_ID
 import struct
 
diff --git a/eive_tmtc/tmtc/common.py b/eive_tmtc/tmtc/common.py
index 8425195..4da20f6 100644
--- a/eive_tmtc/tmtc/common.py
+++ b/eive_tmtc/tmtc/common.py
@@ -1,8 +1,8 @@
 from typing import Union
 
 from spacepackets.ecss.tc import PusTelecommand
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_200_fsfw_mode import pack_mode_data, Mode, Subservice
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.s200_fsfw_mode import pack_mode_data, Mode, Subservice
 from tmtccmd.util import ObjectIdU32
 
 
diff --git a/eive_tmtc/tmtc/core.py b/eive_tmtc/tmtc/core.py
index 6a85ce2..5866183 100644
--- a/eive_tmtc/tmtc/core.py
+++ b/eive_tmtc/tmtc/core.py
@@ -10,10 +10,10 @@ from eive_tmtc.config.definitions import CustomServiceList
 from spacepackets.ecss import PusTelecommand
 from tmtccmd.config import TmtcDefinitionWrapper
 
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.pus.s8_fsfw_funccmd import create_action_cmd
-from tmtccmd.tc.pus_3_fsfw_hk import make_sid, generate_one_hk_command
-from tmtccmd.tc.pus_20_fsfw_param import (
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.s8_fsfw_action import create_action_cmd
+from tmtccmd.pus.tc.s3_fsfw_hk import make_sid, generate_one_hk_command
+from tmtccmd.pus.s20_fsfw_param import (
     create_scalar_u8_parameter,
     create_load_param_cmd,
 )
diff --git a/eive_tmtc/tmtc/health.py b/eive_tmtc/tmtc/health.py
index b9e99d9..70efb4c 100644
--- a/eive_tmtc/tmtc/health.py
+++ b/eive_tmtc/tmtc/health.py
@@ -6,9 +6,9 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
     OpCodeEntry,
 )
-from tmtccmd.tc import service_provider
+from tmtccmd.tmtc import service_provider
 from tmtccmd.pus.s201_fsfw_health import Subservice, FsfwHealth
-from tmtccmd.tc.decorator import ServiceProviderParams
+from tmtccmd.tmtc.decorator import ServiceProviderParams
 
 
 class OpCode:
diff --git a/eive_tmtc/tmtc/misc/s200_test.py b/eive_tmtc/tmtc/misc/s200_test.py
index 07da250..555f18c 100644
--- a/eive_tmtc/tmtc/misc/s200_test.py
+++ b/eive_tmtc/tmtc/misc/s200_test.py
@@ -6,8 +6,8 @@
 @date   02.05.2020
 """
 from spacepackets.ecss.tc import PusTelecommand
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_200_fsfw_mode import pack_mode_data, Mode
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.s200_fsfw_mode import pack_mode_data, Mode
 from eive_tmtc.config.object_ids import TEST_DEVICE_ID
 
 TEST_DEVICE_OBJ_ID = TEST_DEVICE_ID
diff --git a/eive_tmtc/tmtc/payload/ploc_memory_dumper.py b/eive_tmtc/tmtc/payload/ploc_memory_dumper.py
index ef79bd0..da7fbcc 100644
--- a/eive_tmtc/tmtc/payload/ploc_memory_dumper.py
+++ b/eive_tmtc/tmtc/payload/ploc_memory_dumper.py
@@ -12,7 +12,7 @@ from eive_tmtc.config.definitions import CustomServiceList
 from spacepackets.ecss.tc import PusTelecommand
 from tmtccmd.config import TmtcDefinitionWrapper
 from tmtccmd.config.tmtc import tmtc_definitions_provider, OpCodeEntry
-from tmtccmd.tc import DefaultPusQueueHelper
+from tmtccmd.tmtc import DefaultPusQueueHelper
 from tmtccmd.util import ObjectIdU32
 
 
diff --git a/eive_tmtc/tmtc/payload/ploc_mpsoc.py b/eive_tmtc/tmtc/payload/ploc_mpsoc.py
index 1a7f8cf..9a8e0a5 100644
--- a/eive_tmtc/tmtc/payload/ploc_mpsoc.py
+++ b/eive_tmtc/tmtc/payload/ploc_mpsoc.py
@@ -20,11 +20,11 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
 )
 from spacepackets.ecss.tc import PusTelecommand
-from tmtccmd.tc import service_provider
-from tmtccmd.tc.decorator import ServiceProviderParams
+from tmtccmd.tmtc import service_provider
+from tmtccmd.tmtc.decorator import ServiceProviderParams
 from eive_tmtc.utility.input_helper import InputHelper
-from tmtccmd.tc.pus_200_fsfw_mode import pack_mode_data, Mode
-from tmtccmd.tc.pus_8_fsfw_funccmd import create_action_cmd
+from tmtccmd.pus.s200_fsfw_mode import pack_mode_data, Mode
+from tmtccmd.pus.s8_fsfw_action import create_action_cmd
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/eive_tmtc/tmtc/payload/ploc_supervisor.py b/eive_tmtc/tmtc/payload/ploc_supervisor.py
index 31e8071..a48bc43 100644
--- a/eive_tmtc/tmtc/payload/ploc_supervisor.py
+++ b/eive_tmtc/tmtc/payload/ploc_supervisor.py
@@ -14,13 +14,13 @@ from eive_tmtc.config.object_ids import PLOC_SUPV_ID, get_object_ids
 from eive_tmtc.config.definitions import CustomServiceList
 from eive_tmtc.pus_tm.defs import PrintWrapper
 from spacepackets.ecss.tc import PusTelecommand
-from tmtccmd.tc.pus_3_fsfw_hk import generate_one_hk_command, make_sid
+from tmtccmd.pus.tc.s3_fsfw_hk import generate_one_hk_command, make_sid
 from tmtccmd.config import TmtcDefinitionWrapper
 from tmtccmd.config.tmtc import tmtc_definitions_provider, OpCodeEntry
-from tmtccmd.tc import service_provider
-from tmtccmd.tc.decorator import ServiceProviderParams
+from tmtccmd.tmtc import service_provider
+from tmtccmd.tmtc.decorator import ServiceProviderParams
 from tmtccmd.pus.s200_fsfw_mode import pack_mode_data, Mode
-from tmtccmd.pus.s8_fsfw_funccmd import create_action_cmd
+from tmtccmd.pus.s8_fsfw_action import create_action_cmd
 from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
 from eive_tmtc.utility.input_helper import InputHelper
 
diff --git a/eive_tmtc/tmtc/payload/plpcdu.py b/eive_tmtc/tmtc/payload/plpcdu.py
index a5cbef0..53eb207 100644
--- a/eive_tmtc/tmtc/payload/plpcdu.py
+++ b/eive_tmtc/tmtc/payload/plpcdu.py
@@ -9,20 +9,19 @@ from eive_tmtc.pus_tm.defs import PrintWrapper
 from tmtccmd.config import TmtcDefinitionWrapper
 
 from tmtccmd.config.tmtc import OpCodeEntry, tmtc_definitions_provider
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_3_fsfw_hk import (
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.tc.s3_fsfw_hk import (
     make_sid,
     generate_one_diag_command,
     enable_periodic_hk_command_with_interval,
     disable_periodic_hk_command,
 )
-from tmtccmd.tc.pus_11_tc_sched import (
+from tmtccmd.pus.s11_tc_sched import (
     create_enable_tc_sched_cmd,
     create_time_tagged_cmd,
 )
-from tmtccmd.pus.s200_fsfw_mode import Subservice
-from tmtccmd.tc.pus_200_fsfw_mode import pack_mode_data, Mode
-from tmtccmd.tc.pus_20_fsfw_param import (
+from tmtccmd.pus.s200_fsfw_mode import Subservice, pack_mode_data, Mode
+from tmtccmd.pus.s20_fsfw_param import (
     create_scalar_double_parameter,
     create_load_param_cmd,
     create_scalar_boolean_parameter,
diff --git a/eive_tmtc/tmtc/payload/rad_sensor.py b/eive_tmtc/tmtc/payload/rad_sensor.py
index f4ba809..a8a3e22 100644
--- a/eive_tmtc/tmtc/payload/rad_sensor.py
+++ b/eive_tmtc/tmtc/payload/rad_sensor.py
@@ -14,9 +14,9 @@ from eive_tmtc.pus_tm.defs import PrintWrapper
 from spacepackets.ecss.tc import PusTelecommand
 from tmtccmd.config import TmtcDefinitionWrapper, OpCodeEntry
 from tmtccmd.config.tmtc import tmtc_definitions_provider
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_200_fsfw_mode import Mode, pack_mode_data
-from tmtccmd.tc.pus_3_fsfw_hk import generate_one_hk_command, make_sid
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.s200_fsfw_mode import Mode, pack_mode_data
+from tmtccmd.pus.tc.s3_fsfw_hk import generate_one_hk_command, make_sid
 from tmtccmd.util import ObjectIdU32
 from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
 
diff --git a/eive_tmtc/tmtc/payload/scex.py b/eive_tmtc/tmtc/payload/scex.py
index e98e5a1..b06e09a 100644
--- a/eive_tmtc/tmtc/payload/scex.py
+++ b/eive_tmtc/tmtc/payload/scex.py
@@ -5,10 +5,10 @@ from spacepackets.ecss import PusTelecommand
 
 from eive_tmtc.config.definitions import CustomServiceList
 from tmtccmd.config.tmtc import tmtc_definitions_provider
-from tmtccmd.tc.pus_200_fsfw_mode import Mode, pack_mode_data, Subservice
-from tmtccmd.tc import service_provider
-from tmtccmd.tc.decorator import ServiceProviderParams
-from tmtccmd.pus.s8_fsfw_funccmd import create_action_cmd
+from tmtccmd.pus.s200_fsfw_mode import Mode, pack_mode_data, Subservice
+from tmtccmd.tmtc import service_provider
+from tmtccmd.tmtc.decorator import ServiceProviderParams
+from tmtccmd.pus.s8_fsfw_action import create_action_cmd
 from tmtccmd.config import OpCodeEntry, TmtcDefinitionWrapper
 from eive_tmtc.config.object_ids import SCEX_HANDLER_ID
 
diff --git a/eive_tmtc/tmtc/payload/subsystem.py b/eive_tmtc/tmtc/payload/subsystem.py
index 560891d..69010d6 100644
--- a/eive_tmtc/tmtc/payload/subsystem.py
+++ b/eive_tmtc/tmtc/payload/subsystem.py
@@ -7,9 +7,9 @@ from spacepackets.ecss import PusTelecommand
 from eive_tmtc.tmtc.common import pack_mode_cmd_with_info
 from tmtccmd.config import TmtcDefinitionWrapper, OpCodeEntry
 from tmtccmd.config.tmtc import tmtc_definitions_provider
-from tmtccmd.tc import service_provider
-from tmtccmd.tc.decorator import ServiceProviderParams
-from tmtccmd.tc.pus_200_fsfw_mode import Subservice as ModeSubservice
+from tmtccmd.tmtc import service_provider
+from tmtccmd.tmtc.decorator import ServiceProviderParams
+from tmtccmd.pus.s200_fsfw_mode import Subservice as ModeSubservice
 
 
 class ModeId(enum.IntEnum):
diff --git a/eive_tmtc/tmtc/power/acu.py b/eive_tmtc/tmtc/power/acu.py
index 623b4bd..d285b4f 100644
--- a/eive_tmtc/tmtc/power/acu.py
+++ b/eive_tmtc/tmtc/power/acu.py
@@ -19,7 +19,7 @@ from eive_tmtc.tmtc.power.common_power import (
 from tmtccmd.config import TmtcDefinitionWrapper, OpCodeEntry
 from tmtccmd.config.tmtc import tmtc_definitions_provider
 
-from tmtccmd.tc import DefaultPusQueueHelper
+from tmtccmd.tmtc import DefaultPusQueueHelper
 import eive_tmtc.gomspace.gomspace_common as gs
 from eive_tmtc.config.object_ids import ACU_HANDLER_ID
 from tmtccmd.util import ObjectIdU32
diff --git a/eive_tmtc/tmtc/power/bpx_batt.py b/eive_tmtc/tmtc/power/bpx_batt.py
index 7713465..8fd387c 100644
--- a/eive_tmtc/tmtc/power/bpx_batt.py
+++ b/eive_tmtc/tmtc/power/bpx_batt.py
@@ -11,12 +11,12 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
     OpCodeEntry,
 )
-from tmtccmd.tc import service_provider
-from tmtccmd.tc.decorator import ServiceProviderParams
-from tmtccmd.pus.s8_fsfw_funccmd import create_action_cmd
-from tmtccmd.tc.pus_3_fsfw_hk import generate_one_hk_command, make_sid
-from tmtccmd.tc.pus_200_fsfw_mode import pack_mode_data, Mode
-from tmtccmd.tc.pus_200_fsfw_mode import Subservice as ModeSubservices
+from tmtccmd.tmtc import service_provider
+from tmtccmd.tmtc.decorator import ServiceProviderParams
+from tmtccmd.pus.s8_fsfw_action import create_action_cmd
+from tmtccmd.pus.tc.s3_fsfw_hk import generate_one_hk_command, make_sid
+from tmtccmd.pus.s200_fsfw_mode import pack_mode_data, Mode
+from tmtccmd.pus.s200_fsfw_mode import Subservice as ModeSubservices
 from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
 
 
diff --git a/eive_tmtc/tmtc/power/common_power.py b/eive_tmtc/tmtc/power/common_power.py
index bcf416c..f9d746d 100644
--- a/eive_tmtc/tmtc/power/common_power.py
+++ b/eive_tmtc/tmtc/power/common_power.py
@@ -16,15 +16,15 @@ from eive_tmtc.gomspace.gomspace_common import (
 from eive_tmtc.gomspace.gomspace_pdu_definitions import OUT_ENABLE_LIST
 from spacepackets.ecss import PusTelecommand
 from tmtccmd.config import OpCodeEntry
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_3_fsfw_hk import (
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.tc.s3_fsfw_hk import (
     make_sid,
     generate_one_diag_command,
     generate_one_hk_command,
     enable_periodic_hk_command_with_interval,
     disable_periodic_hk_command,
 )
-from tmtccmd.pus.s8_fsfw_funccmd import create_action_cmd
+from tmtccmd.pus.s8_fsfw_action import create_action_cmd
 from tmtccmd.util import ObjectIdU32, ObjectIdBase
 
 
diff --git a/eive_tmtc/tmtc/power/p60dock.py b/eive_tmtc/tmtc/power/p60dock.py
index b8908a6..714221f 100644
--- a/eive_tmtc/tmtc/power/p60dock.py
+++ b/eive_tmtc/tmtc/power/p60dock.py
@@ -11,7 +11,7 @@ from eive_tmtc.tmtc.power.common_power import (
     pack_common_power_cmds,
     SetId,
 )
-from tmtccmd.tc import DefaultPusQueueHelper
+from tmtccmd.tmtc import DefaultPusQueueHelper
 from eive_tmtc.gomspace.gomspace_common import (
     TableEntry,
     Channel,
diff --git a/eive_tmtc/tmtc/power/pdu1.py b/eive_tmtc/tmtc/power/pdu1.py
index b42c66a..16bc2b3 100644
--- a/eive_tmtc/tmtc/power/pdu1.py
+++ b/eive_tmtc/tmtc/power/pdu1.py
@@ -32,7 +32,7 @@ from spacepackets.ecss import PusTelecommand
 
 from tmtccmd.config import OpCodeEntry, TmtcDefinitionWrapper
 from tmtccmd.config.tmtc import tmtc_definitions_provider
-from tmtccmd.tc import DefaultPusQueueHelper
+from tmtccmd.tmtc import DefaultPusQueueHelper
 from tmtccmd.util import ObjectIdU32
 
 
diff --git a/eive_tmtc/tmtc/power/pdu2.py b/eive_tmtc/tmtc/power/pdu2.py
index f36c18c..69c54e2 100644
--- a/eive_tmtc/tmtc/power/pdu2.py
+++ b/eive_tmtc/tmtc/power/pdu2.py
@@ -34,7 +34,7 @@ from eive_tmtc.tmtc.power.common_power import (
 from spacepackets.ecss import PusTelecommand
 from tmtccmd.config import OpCodeEntry, TmtcDefinitionWrapper
 from tmtccmd.config.tmtc import tmtc_definitions_provider
-from tmtccmd.tc import DefaultPusQueueHelper
+from tmtccmd.tmtc import DefaultPusQueueHelper
 from tmtccmd.util import ObjectIdU32
 
 
diff --git a/eive_tmtc/tmtc/power/power.py b/eive_tmtc/tmtc/power/power.py
index e6d47c5..9a0643a 100644
--- a/eive_tmtc/tmtc/power/power.py
+++ b/eive_tmtc/tmtc/power/power.py
@@ -32,12 +32,12 @@ from eive_tmtc.config.object_ids import PCDU_HANDLER_ID
 
 from eive_tmtc.tmtc.power.p60dock import P60OpCode, P60Info, p60_dock_req_hk_cmds
 from eive_tmtc.tmtc.power.acu import add_acu_cmds, acu_req_hk_cmds
-from tmtccmd.tc.pus_3_fsfw_hk import (
+from tmtccmd.pus.tc.s3_fsfw_hk import (
     create_request_one_diag_command,
     make_sid,
 )
 from tmtccmd.config.tmtc import tmtc_definitions_provider
-from tmtccmd.tc import DefaultPusQueueHelper
+from tmtccmd.tmtc import DefaultPusQueueHelper
 
 
 class SetId(enum.IntEnum):
diff --git a/eive_tmtc/tmtc/power/pwr_ctrl.py b/eive_tmtc/tmtc/power/pwr_ctrl.py
index 5a13012..ecab1dd 100644
--- a/eive_tmtc/tmtc/power/pwr_ctrl.py
+++ b/eive_tmtc/tmtc/power/pwr_ctrl.py
@@ -11,11 +11,11 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
     OpCodeEntry,
 )
-from tmtccmd.tc import service_provider
-from tmtccmd.tc.queue import DefaultPusQueueHelper
-from tmtccmd.tc.pus_200_fsfw_mode import Mode, pack_mode_command
-from tmtccmd.tc.decorator import ServiceProviderParams
-from tmtccmd.tc.pus_3_fsfw_hk import (
+from tmtccmd.tmtc import service_provider
+from tmtccmd.tmtc.queue import DefaultPusQueueHelper
+from tmtccmd.pus.s200_fsfw_mode import Mode, pack_mode_command
+from tmtccmd.tmtc.decorator import ServiceProviderParams
+from tmtccmd.pus.tc.s3_fsfw_hk import (
     generate_one_hk_command,
     make_sid,
     enable_periodic_hk_command_with_interval,
@@ -23,7 +23,7 @@ from tmtccmd.tc.pus_3_fsfw_hk import (
 )
 from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
 
-from tmtccmd.tc.pus_20_fsfw_param import create_load_param_cmd
+from tmtccmd.pus.s20_fsfw_param import create_load_param_cmd
 
 from tmtccmd.pus.s20_fsfw_param_defs import (
     create_scalar_float_parameter,
diff --git a/eive_tmtc/tmtc/power/subsystem.py b/eive_tmtc/tmtc/power/subsystem.py
index 830a353..71c1443 100644
--- a/eive_tmtc/tmtc/power/subsystem.py
+++ b/eive_tmtc/tmtc/power/subsystem.py
@@ -10,9 +10,9 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
     OpCodeEntry,
 )
-from tmtccmd.tc.pus_200_fsfw_mode import Subservice as ModeSubservices, Mode
-from tmtccmd.tc import service_provider
-from tmtccmd.tc.decorator import ServiceProviderParams
+from tmtccmd.pus.s200_fsfw_mode import Subservice as ModeSubservices, Mode
+from tmtccmd.tmtc import service_provider
+from tmtccmd.tmtc.decorator import ServiceProviderParams
 
 
 class OpCode(str, enum.Enum):
diff --git a/eive_tmtc/tmtc/solar_array_deployment.py b/eive_tmtc/tmtc/solar_array_deployment.py
index 5b44460..201a48c 100644
--- a/eive_tmtc/tmtc/solar_array_deployment.py
+++ b/eive_tmtc/tmtc/solar_array_deployment.py
@@ -17,9 +17,9 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
     OpCodeEntry,
 )
-from tmtccmd.tc import service_provider, DefaultPusQueueHelper
-from tmtccmd.pus.s8_fsfw_funccmd import create_action_cmd
-from tmtccmd.tc.decorator import ServiceProviderParams
+from tmtccmd.tmtc import service_provider, DefaultPusQueueHelper
+from tmtccmd.pus.s8_fsfw_action import create_action_cmd
+from tmtccmd.tmtc.decorator import ServiceProviderParams
 
 
 class OpCode:
diff --git a/eive_tmtc/tmtc/system.py b/eive_tmtc/tmtc/system.py
index 981729b..b040131 100644
--- a/eive_tmtc/tmtc/system.py
+++ b/eive_tmtc/tmtc/system.py
@@ -7,14 +7,14 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
     OpCodeEntry,
 )
-from tmtccmd.tc import service_provider
+from tmtccmd.tmtc import service_provider
 from eive_tmtc.config.object_ids import EIVE_SYSTEM_ID
-from tmtccmd.tc.pus_200_fsfw_mode import (
+from tmtccmd.pus.s200_fsfw_mode import (
     create_mode_command,
     create_announce_mode_recursive_command,
 )
-from tmtccmd.tc.pus_8_fsfw_funccmd import create_action_cmd
-from tmtccmd.tc.decorator import ServiceProviderParams
+from tmtccmd.pus.s8_fsfw_action import create_action_cmd
+from tmtccmd.tmtc.decorator import ServiceProviderParams
 
 
 class SystemMode:
diff --git a/eive_tmtc/tmtc/tcs/brd_assy.py b/eive_tmtc/tmtc/tcs/brd_assy.py
index 2aeb01f..841fdfe 100644
--- a/eive_tmtc/tmtc/tcs/brd_assy.py
+++ b/eive_tmtc/tmtc/tcs/brd_assy.py
@@ -6,8 +6,8 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
     OpCodeEntry,
 )
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_200_fsfw_mode import Mode
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.s200_fsfw_mode import Mode
 
 
 class InfoAssy:
diff --git a/eive_tmtc/tmtc/tcs/ctrl.py b/eive_tmtc/tmtc/tcs/ctrl.py
index 7b99437..3c3b906 100644
--- a/eive_tmtc/tmtc/tcs/ctrl.py
+++ b/eive_tmtc/tmtc/tcs/ctrl.py
@@ -7,8 +7,8 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
     OpCodeEntry,
 )
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_3_fsfw_hk import (
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.tc.s3_fsfw_hk import (
     make_sid,
     generate_one_hk_command,
     create_request_one_diag_command,
diff --git a/eive_tmtc/tmtc/tcs/heater.py b/eive_tmtc/tmtc/tcs/heater.py
index c6558c0..dd6352a 100644
--- a/eive_tmtc/tmtc/tcs/heater.py
+++ b/eive_tmtc/tmtc/tcs/heater.py
@@ -10,14 +10,14 @@ from eive_tmtc.config.object_ids import get_object_ids
 from eive_tmtc.tmtc.tcs.defs import Heater
 from tmtccmd.config import TmtcDefinitionWrapper, OpCodeEntry
 from tmtccmd.config.tmtc import tmtc_definitions_provider
-from tmtccmd.tc import DefaultPusQueueHelper
+from tmtccmd.tmtc import DefaultPusQueueHelper
 from tmtccmd.util.obj_id import ObjectIdU32
 from tmtccmd.pus.s201_fsfw_health import (
     pack_set_health_cmd_data,
     FsfwHealth,
     Subservice,
 )
-from tmtccmd.pus.s8_fsfw_funccmd import create_action_cmd
+from tmtccmd.pus.s8_fsfw_action import create_action_cmd
 from spacepackets.ecss.tc import PusTelecommand
 
 
diff --git a/eive_tmtc/tmtc/tcs/rtd.py b/eive_tmtc/tmtc/tcs/rtd.py
index 56d5f24..fd3b727 100644
--- a/eive_tmtc/tmtc/tcs/rtd.py
+++ b/eive_tmtc/tmtc/tcs/rtd.py
@@ -8,9 +8,9 @@ from spacepackets.ecss import PusTelecommand
 from tmtccmd.config import TmtcDefinitionWrapper, OpCodeEntry
 from tmtccmd.config.tmtc import tmtc_definitions_provider
 
-from tmtccmd.tc import DefaultPusQueueHelper
+from tmtccmd.tmtc import DefaultPusQueueHelper
 from tmtccmd.util import ObjectIdU32
-from tmtccmd.tc.pus_200_fsfw_mode import Mode, pack_mode_data, Subservice
+from tmtccmd.pus.s200_fsfw_mode import Mode, pack_mode_data, Subservice
 import eive_tmtc.config.object_ids as oids
 from eive_tmtc.config.object_ids import get_object_ids
 from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
diff --git a/eive_tmtc/tmtc/tcs/subsystem.py b/eive_tmtc/tmtc/tcs/subsystem.py
index 7b32a9d..4ae5697 100644
--- a/eive_tmtc/tmtc/tcs/subsystem.py
+++ b/eive_tmtc/tmtc/tcs/subsystem.py
@@ -7,8 +7,8 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
     OpCodeEntry,
 )
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_200_fsfw_mode import Mode, create_announce_mode_recursive_command
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.s200_fsfw_mode import Mode, create_announce_mode_recursive_command
 
 
 class OpCode:
diff --git a/eive_tmtc/tmtc/tcs/tmp1075.py b/eive_tmtc/tmtc/tcs/tmp1075.py
index a03554d..e7905bc 100644
--- a/eive_tmtc/tmtc/tcs/tmp1075.py
+++ b/eive_tmtc/tmtc/tcs/tmp1075.py
@@ -17,9 +17,9 @@ from tmtccmd.config.tmtc import (
     OpCodeEntry,
 )
 from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
-from tmtccmd.tc import DefaultPusQueueHelper
-from tmtccmd.tc.pus_200_fsfw_mode import Mode, pack_mode_data
-from tmtccmd.tc.pus_3_fsfw_hk import create_request_one_hk_command, make_sid
+from tmtccmd.tmtc import DefaultPusQueueHelper
+from tmtccmd.pus.s200_fsfw_mode import Mode, pack_mode_data
+from tmtccmd.pus.tc.s3_fsfw_hk import create_request_one_hk_command, make_sid
 from tmtccmd.util import ObjectIdU32
 
 
diff --git a/eive_tmtc/tmtc/test.py b/eive_tmtc/tmtc/test.py
index ad292fd..c484a38 100644
--- a/eive_tmtc/tmtc/test.py
+++ b/eive_tmtc/tmtc/test.py
@@ -6,8 +6,8 @@ from tmtccmd.config.tmtc import (
     OpCodeEntry,
 )
 from tmtccmd.pus.s17_test import create_service_17_ping_command
-from tmtccmd.tc import service_provider
-from tmtccmd.tc.decorator import ServiceProviderParams
+from tmtccmd.tmtc import service_provider
+from tmtccmd.tmtc.decorator import ServiceProviderParams
 
 
 class OpCodes:
diff --git a/eive_tmtc/tmtc/time.py b/eive_tmtc/tmtc/time.py
index 8b9a312..fcb301e 100644
--- a/eive_tmtc/tmtc/time.py
+++ b/eive_tmtc/tmtc/time.py
@@ -10,8 +10,8 @@ from tmtccmd.config.tmtc import (
     OpCodeEntry,
 )
 
-from tmtccmd.tc import service_provider
-from tmtccmd.tc.decorator import ServiceProviderParams
+from tmtccmd.tmtc import service_provider
+from tmtccmd.tmtc.decorator import ServiceProviderParams
 
 
 class Subservice(enum.IntEnum):
diff --git a/eive_tmtc/tmtc/tm_store.py b/eive_tmtc/tmtc/tm_store.py
index 262cac7..3f4fc5f 100644
--- a/eive_tmtc/tmtc/tm_store.py
+++ b/eive_tmtc/tmtc/tm_store.py
@@ -15,8 +15,8 @@ from eive_tmtc.config.object_ids import (
 from eive_tmtc.config.definitions import CustomServiceList
 from tmtccmd.config import TmtcDefinitionWrapper
 from tmtccmd.config.tmtc import tmtc_definitions_provider, OpCodeEntry
-from tmtccmd.tc import service_provider
-from tmtccmd.tc.decorator import ServiceProviderParams
+from tmtccmd.tmtc import service_provider
+from tmtccmd.tmtc.decorator import ServiceProviderParams
 from dateutil.parser import parse
 
 from spacepackets.ecss import PusService  # noqa
diff --git a/eive_tmtc/tmtc/wdt.py b/eive_tmtc/tmtc/wdt.py
index 5b9d406..abb4ee1 100644
--- a/eive_tmtc/tmtc/wdt.py
+++ b/eive_tmtc/tmtc/wdt.py
@@ -4,8 +4,8 @@ from tmtccmd.config.tmtc import (
     TmtcDefinitionWrapper,
     tmtc_definitions_provider,
 )
-from tmtccmd.pus.s8_fsfw_funccmd import create_action_cmd
-from tmtccmd.tc import DefaultPusQueueHelper
+from tmtccmd.pus.s8_fsfw_action import create_action_cmd
+from tmtccmd.tmtc import DefaultPusQueueHelper
 
 from eive_tmtc.config.definitions import CustomServiceList
 from eive_tmtc.config.object_ids import XIPHOS_WDT_ID
diff --git a/pyproject.toml b/pyproject.toml
index 2345398..b9017d4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ classifiers = [
     "Topic :: Scientific/Engineering"
 ]
 dependencies = [
-	"tmtccmd ~= 6.0",
+	"tmtccmd ~= 7.0",
 	"python-dateutil ~= 2.8",
 	# "tmtccmd @ git+https://github.com/robamu-org/tmtccmd@main"
 ]
diff --git a/tmtcc.py b/tmtcc.py
index a4721d7..fee63b0 100755
--- a/tmtcc.py
+++ b/tmtcc.py
@@ -2,59 +2,59 @@
 import logging
 import sys
 import time
+from importlib.metadata import version
 from pathlib import Path
+from typing import Tuple
 
 import tmtccmd
-from eive_tmtc.cfdp.fault_handler import EiveCfdpFaultHandler
-from eive_tmtc.cfdp.tm import CfdpInCcsdsWrapper
-from eive_tmtc.cfdp.user import EiveCfdpUser
-from spacepackets.ecss import PusVerificator
-from spacepackets.version import get_version as get_sp_version
 from spacepackets.cfdp import (
     ChecksumType,
     TransmissionMode,
 )
-
-from eive_tmtc.pus_tc.tc_handler import TcHandler
-from eive_tmtc.pus_tm.hk_handler import HkFilter
-from tmtccmd.logging import add_colorlog_console_logger
+from spacepackets.ecss import PusVerificator
+from spacepackets.version import get_version as get_sp_version
+from tmtccmd import BackendBase
 from tmtccmd.cfdp.handler import CfdpInCcsdsHandler
 from tmtccmd.cfdp.mib import (
-    LocalEntityCfg,
     IndicationCfg,
+    LocalEntityCfg,
     RemoteEntityCfg,
 )
-from tmtccmd import BackendBase
-from tmtccmd.util import FileSeqCountProvider, PusFileSeqCountProvider
+from tmtccmd.config import (
+    SetupWrapper,
+    default_json_path,
+    params_to_procedure_conversion,
+)
+from tmtccmd.config.args import (
+    PreArgsParsingWrapper,
+    ProcedureParamsWrapper,
+    SetupParams,
+)
+from tmtccmd.core import BackendRequest
 from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
-
+from tmtccmd.logging import add_colorlog_console_logger
 from tmtccmd.logging.pus import (
     RawTmtcTimedLogWrapper,
     RegularTmtcLogWrapper,
     TimedLogWhen,
 )
 from tmtccmd.pus import VerificationWrapper
-from tmtccmd.tm import SpecificApidHandlerBase, GenericApidHandlerBase, CcsdsTmHandler
-from tmtccmd.core import BackendRequest
-from tmtccmd.config import (
-    default_json_path,
-    SetupWrapper,
-    params_to_procedure_conversion,
-)
-from tmtccmd.config.args import (
-    SetupParams,
-    PreArgsParsingWrapper,
-    ProcedureParamsWrapper,
-)
+from tmtccmd.tmtc import CcsdsTmHandler, GenericApidHandlerBase, SpecificApidHandlerBase
+from tmtccmd.util import FileSeqCountProvider, PusFileSeqCountProvider
+
 from eive_tmtc import APP_LOGGER
-from importlib.metadata import version
+from eive_tmtc.cfdp.fault_handler import EiveCfdpFaultHandler
+from eive_tmtc.cfdp.tm import CfdpInCcsdsWrapper
+from eive_tmtc.cfdp.user import EiveCfdpUser
 from eive_tmtc.config.definitions import (
-    PUS_APID,
     CFDP_APID,
     CFDP_LOCAL_ENTITY_ID,
     CFDP_REMOTE_ENTITY_ID,
+    PUS_APID,
 )
 from eive_tmtc.config.hook import EiveHookObject
+from eive_tmtc.pus_tc.tc_handler import TcHandler
+from eive_tmtc.pus_tm.hk_handler import HkFilter
 from eive_tmtc.pus_tm.pus_demux import pus_factory_hook
 
 _LOGGER = APP_LOGGER
@@ -106,7 +106,7 @@ class CustomCcsdsTmHandler(CcsdsTmHandler):
         _LOGGER.debug(f"Received packet {packet.hex(sep=',')} with APID {apid}")
 
 
-def setup_params() -> (SetupWrapper, int):
+def setup_params() -> Tuple[SetupWrapper, int]:
     hook_obj = EiveHookObject(default_json_path())
     params = SetupParams()
     parser_wrapper = PreArgsParsingWrapper()
@@ -152,7 +152,8 @@ def setup_cfdp_handler() -> CfdpInCcsdsWrapper:
         closure_requested=False,
         entity_id=CFDP_LOCAL_ENTITY_ID,
         max_file_segment_len=990,
-        check_limit=None,
+        max_packet_len=1024,
+        check_limit=5,
         crc_on_transmission=False,
         crc_type=ChecksumType.CRC_32,
         default_transmission_mode=TransmissionMode.UNACKNOWLEDGED,
@@ -161,7 +162,8 @@ def setup_cfdp_handler() -> CfdpInCcsdsWrapper:
         closure_requested=False,
         entity_id=CFDP_REMOTE_ENTITY_ID,
         max_file_segment_len=990,
-        check_limit=None,
+        max_packet_len=1024,
+        check_limit=5,
         crc_on_transmission=False,
         crc_type=ChecksumType.CRC_32,
         default_transmission_mode=TransmissionMode.UNACKNOWLEDGED,
@@ -190,7 +192,7 @@ def setup_tmtc_handlers(
     raw_logger: RawTmtcTimedLogWrapper,
     gui: bool,
     hk_level: int,
-) -> (CcsdsTmHandler, TcHandler):
+) -> Tuple[CcsdsTmHandler, TcHandler]:
     cfdp_in_ccsds_wrapper = setup_cfdp_handler()
     verification_wrapper = VerificationWrapper(
         verificator, _LOGGER, printer.file_logger