diff --git a/src/ecss/tc.rs b/src/ecss/tc.rs
index ddac404..b472bc0 100644
--- a/src/ecss/tc.rs
+++ b/src/ecss/tc.rs
@@ -57,6 +57,9 @@ pub const PUS_TC_MIN_LEN_WITHOUT_APP_DATA: usize =
     CCSDS_HEADER_LEN + PUC_TC_SECONDARY_HEADER_LEN + size_of::<CrcType>();
 const PUS_VERSION: PusVersion = PusVersion::PusC;
 
+/// Marker trait for PUS telecommand structures.
+pub trait IsPusTelecommand {}
+
 #[derive(Copy, Clone, PartialEq, Debug)]
 enum AckOpts {
     Acceptance = 0b1000,
@@ -736,6 +739,8 @@ impl GenericPusTcSecondaryHeader for PusTcCreator<'_> {
     });
 }
 
+impl IsPusTelecommand for PusTcCreator<'_> {}
+
 /// This class can be used to read a PUS TC telecommand from raw memory.
 ///
 /// This class also derives the [serde::Serialize] and [serde::Deserialize] trait if the
@@ -839,6 +844,8 @@ impl GenericPusTcSecondaryHeader for PusTcReader<'_> {
     });
 }
 
+impl IsPusTelecommand for PusTcReader<'_> {}
+
 impl PartialEq<PusTcCreator<'_>> for PusTcReader<'_> {
     fn eq(&self, other: &PusTcCreator) -> bool {
         self.sp_header == other.sp_header
diff --git a/src/ecss/tm.rs b/src/ecss/tm.rs
index e4def6d..b45506f 100644
--- a/src/ecss/tm.rs
+++ b/src/ecss/tm.rs
@@ -20,6 +20,8 @@ use delegate::delegate;
 
 pub use legacy_tm::*;
 
+pub trait IsPusTelemetry {}
+
 /// Length without timestamp
 pub const PUC_TM_MIN_SEC_HEADER_LEN: usize = 7;
 pub const PUS_TM_MIN_LEN_WITHOUT_SOURCE_DATA: usize =
@@ -754,6 +756,8 @@ impl GenericPusTmSecondaryHeader for PusTmCreator<'_> {
     });
 }
 
+impl IsPusTelemetry for PusTmCreator<'_> {}
+
 /// This class models the PUS C telemetry packet. It is the primary data structure to read
 /// a telemetry packet from raw bytes.
 ///
@@ -871,6 +875,8 @@ impl GenericPusTmSecondaryHeader for PusTmReader<'_> {
     });
 }
 
+impl IsPusTelemetry for PusTmReader<'_> {}
+
 impl PartialEq<PusTmCreator<'_>> for PusTmReader<'_> {
     fn eq(&self, other: &PusTmCreator<'_>) -> bool {
         self.sp_header == other.sp_header