diff --git a/CMakeLists.txt b/CMakeLists.txt
index 440d7f9bd..1a8b703d2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -133,7 +133,7 @@ option(FSFW_ADD_SGP4_PROPAGATOR "Add SGP4 propagator code" OFF)
 set(FSFW_TEST_TGT fsfw-tests)
 set(FSFW_DUMMY_TGT fsfw-dummy)
 
-add_library(${LIB_FSFW_NAME} src/fsfw/tmtcpacket/SpacePacketIF.h)
+add_library(${LIB_FSFW_NAME} src/fsfw/tmtcpacket/SpacePacketIF.h src/fsfw/tmtcpacket/pus/tc/TcPacketDeserializer.h src/fsfw/tmtcpacket/pus/tc/TcPacketDeserializer.cpp src/fsfw/tmtcpacket/pus/tc/PusTcIF.h)
 
 if(IPO_SUPPORTED AND FSFW_ENABLE_IPO)
   set_property(TARGET ${LIB_FSFW_NAME} PROPERTY INTERPROCEDURAL_OPTIMIZATION
diff --git a/src/fsfw/tmtcpacket/pus/tc/PusTcIF.h b/src/fsfw/tmtcpacket/pus/tc/PusTcIF.h
new file mode 100644
index 000000000..91f8fe1e1
--- /dev/null
+++ b/src/fsfw/tmtcpacket/pus/tc/PusTcIF.h
@@ -0,0 +1,79 @@
+#ifndef FSFW_TMTCPACKET_PUSTCIF_H
+#define FSFW_TMTCPACKET_PUSTCIF_H
+
+#include <cstdint>
+
+class PusTcIF {
+  public:
+   virtual ~PusTcIF() = default;
+
+   /**
+   * This command returns the CCSDS Secondary Header Flag.
+   * It shall always be zero for PUS Packets. This is the
+   * highest bit of the first byte of the Data Field Header.
+   * @return	the CCSDS Secondary Header Flag
+    */
+   [[nodiscard]] virtual uint8_t getSecondaryHeaderFlag() const = 0;
+   /**
+   * This command returns the TC Packet PUS Version Number.
+   * The version number of ECSS PUS 2003 is 1.
+   * It consists of the second to fourth highest bits of the
+   * first byte.
+   * @return
+    */
+   [[nodiscard]] virtual uint8_t getPusVersion() const = 0;
+   /**
+   * This is a getter for the packet's Ack field, which are the lowest four
+   * bits of the first byte of the Data Field Header.
+   *
+   * It is packed in a uint8_t variable.
+   * @return	The packet's PUS Ack field.
+    */
+   [[nodiscard]] virtual uint8_t getAcknowledgeFlags() const = 0;
+   /**
+   * This is a getter for the packet's PUS Service ID, which is the second
+   * byte of the Data Field Header.
+   * @return	The packet's PUS Service ID.
+    */
+   [[nodiscard]] virtual uint8_t getService() const = 0;
+   /**
+   * This is a getter for the packet's PUS Service Subtype, which is the
+   * third byte of the Data Field Header.
+   * @return	The packet's PUS Service Subtype.
+    */
+   [[nodiscard]] virtual uint8_t getSubService() const = 0;
+   /**
+   * The source ID can be used to have an additional identifier, e.g. for different ground
+   * station.
+   * @return
+    */
+   [[nodiscard]] virtual uint16_t getSourceId() const = 0;
+
+   /**
+   * This is a getter for a pointer to the packet's Application data.
+   *
+   * These are the bytes that follow after the Data Field Header. They form
+   * the packet's application data.
+   * @return	A pointer to the PUS Application Data.
+    */
+   [[nodiscard]] virtual const uint8_t* getApplicationData() const = 0;
+   /**
+   * This method calculates the size of the PUS Application data field.
+   *
+   * It takes the information stored in the CCSDS Packet Data Length field
+   * and subtracts the Data Field Header size and the CRC size.
+   * @return	The size of the PUS Application Data (without Error Control
+   * 		field)
+    */
+   [[nodiscard]] virtual uint16_t getApplicationDataSize() const = 0;
+   /**
+   * This getter returns the Error Control Field of the packet.
+   *
+   * The field is placed after any possible Application Data. If no
+   * Application Data is present there's still an Error Control field. It is
+   * supposed to be a 16bit-CRC.
+   * @return	The PUS Error Control
+    */
+   [[nodiscard]] virtual uint16_t getErrorControl() const = 0;
+ };
+#endif  // FSFW_TMTCPACKET_PUSTCIF_H
diff --git a/src/fsfw/tmtcpacket/pus/tc/TcPacketDeserializer.cpp b/src/fsfw/tmtcpacket/pus/tc/TcPacketDeserializer.cpp
new file mode 100644
index 000000000..a93db348a
--- /dev/null
+++ b/src/fsfw/tmtcpacket/pus/tc/TcPacketDeserializer.cpp
@@ -0,0 +1,3 @@
+#include "TcPacketDeserializer.h"
+
+TcPacketDeserializer::TcPacketDeserializer(const uint8_t *data, size_t maxSize) {}
diff --git a/src/fsfw/tmtcpacket/pus/tc/TcPacketDeserializer.h b/src/fsfw/tmtcpacket/pus/tc/TcPacketDeserializer.h
new file mode 100644
index 000000000..b3b350840
--- /dev/null
+++ b/src/fsfw/tmtcpacket/pus/tc/TcPacketDeserializer.h
@@ -0,0 +1,14 @@
+#ifndef FSFW_TMTCPACKET_TCPACKETDESERIALIZER_H
+#define FSFW_TMTCPACKET_TCPACKETDESERIALIZER_H
+
+#include "fsfw/tmtcpacket/RedirectableDataPointerIF.h"
+#include "fsfw/tmtcpacket/SpacePacketIF.h"
+
+class TcPacketDeserializer: public SpacePacketIF, public RedirectableDataPointerIF {
+ public:
+  TcPacketDeserializer(const uint8_t* data, size_t maxSize);
+ private:
+
+};
+
+#endif  // FSFW_TMTCPACKET_TCPACKETDESERIALIZER_H
diff --git a/src/fsfw/tmtcpacket/pus/tc/TcPacketStoredBase.h b/src/fsfw/tmtcpacket/pus/tc/TcPacketStoredBase.h
index ece0e4827..4d27565ac 100644
--- a/src/fsfw/tmtcpacket/pus/tc/TcPacketStoredBase.h
+++ b/src/fsfw/tmtcpacket/pus/tc/TcPacketStoredBase.h
@@ -19,7 +19,7 @@ class TcPacketStoredBase : public TcPacketStoredIF {
    * Constructor to set to an existing store address.
    * @param setAddress
    */
-  TcPacketStoredBase(store_address_t setAddress);
+  explicit TcPacketStoredBase(store_address_t setAddress);
   /**
    * Another constructor to create a TcPacket from a raw packet stream.
    * Takes the data and adds it unchecked to the TcStore.