diff --git a/openair2/COMMON/f1ap_messages_types.h b/openair2/COMMON/f1ap_messages_types.h
index 9394daa7f0..c67a97b0f8 100644
--- a/openair2/COMMON/f1ap_messages_types.h
+++ b/openair2/COMMON/f1ap_messages_types.h
@@ -649,6 +649,13 @@ typedef struct f1ap_ue_context_modif_refuse_t {
   long cause_value;
 } f1ap_ue_context_modif_refuse_t;
 
+typedef struct f1ap_ue_context_rel_req_t {
+  uint32_t gNB_CU_ue_id;
+  uint32_t gNB_DU_ue_id;
+  f1ap_Cause_t cause;
+  long cause_value;
+} f1ap_ue_context_rel_req_t;
+
 typedef struct f1ap_ue_context_release_s {
   uint32_t gNB_CU_ue_id;
   uint32_t gNB_DU_ue_id;
diff --git a/openair2/F1AP/lib/f1ap_ue_context.c b/openair2/F1AP/lib/f1ap_ue_context.c
index 588648fe37..53f1e11c67 100644
--- a/openair2/F1AP/lib/f1ap_ue_context.c
+++ b/openair2/F1AP/lib/f1ap_ue_context.c
@@ -2087,3 +2087,115 @@ void free_ue_context_mod_resp(f1ap_ue_context_mod_resp_t *resp)
     free_srb_setup(&resp->srbs[i]);
   free(resp->srbs);
 }
+
+/*
+ * @brief Encode F1 UE context release request to ASN.1
+ */
+struct F1AP_F1AP_PDU *encode_ue_context_rel_req(const f1ap_ue_context_rel_req_t *msg)
+{
+  F1AP_F1AP_PDU_t *pdu = calloc_or_fail(1, sizeof(*pdu));
+
+  /* Message Type */
+  pdu->present = F1AP_F1AP_PDU_PR_initiatingMessage;
+  asn1cCalloc(pdu->choice.initiatingMessage, tmp);
+  tmp->procedureCode = F1AP_ProcedureCode_id_UEContextReleaseRequest;
+  tmp->criticality = F1AP_Criticality_reject;
+  tmp->value.present = F1AP_InitiatingMessage__value_PR_UEContextReleaseRequest;
+  F1AP_UEContextReleaseRequest_t *out = &tmp->value.choice.UEContextReleaseRequest;
+
+  /* mandatory: GNB_CU_UE_F1AP_ID */
+  asn1cSequenceAdd(out->protocolIEs.list, F1AP_UEContextReleaseRequestIEs_t, ie1);
+  ie1->id = F1AP_ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID;
+  ie1->criticality = F1AP_Criticality_reject;
+  ie1->value.present = F1AP_UEContextReleaseRequestIEs__value_PR_GNB_CU_UE_F1AP_ID;
+  ie1->value.choice.GNB_CU_UE_F1AP_ID = msg->gNB_CU_ue_id;
+
+  /* mandatory: GNB_DU_UE_F1AP_ID */
+  asn1cSequenceAdd(out->protocolIEs.list, F1AP_UEContextReleaseRequestIEs_t, ie2);
+  ie2->id = F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID;
+  ie2->criticality = F1AP_Criticality_reject;
+  ie2->value.present = F1AP_UEContextReleaseRequestIEs__value_PR_GNB_DU_UE_F1AP_ID;
+  ie2->value.choice.GNB_DU_UE_F1AP_ID = msg->gNB_DU_ue_id;
+
+  /* mandatory: Cause */
+  asn1cSequenceAdd(out->protocolIEs.list, F1AP_UEContextReleaseRequestIEs_t, ie3);
+  ie3->id = F1AP_ProtocolIE_ID_id_Cause;
+  ie3->criticality = F1AP_Criticality_ignore;
+  ie3->value.present = F1AP_UEContextReleaseRequestIEs__value_PR_Cause;
+  ie3->value.choice.Cause = encode_f1ap_cause(msg->cause, msg->cause_value);
+
+  return pdu;
+}
+
+/**
+ * @brief Decode F1 UE Context Release Request
+ */
+bool decode_ue_context_rel_req(const struct F1AP_F1AP_PDU *pdu, f1ap_ue_context_rel_req_t *out)
+{
+  DevAssert(out != NULL);
+  memset(out, 0, sizeof(*out));
+
+  F1AP_UEContextReleaseRequest_t *in = &pdu->choice.initiatingMessage->value.choice.UEContextReleaseRequest;
+  F1AP_UEContextReleaseRequestIEs_t *ie;
+  F1AP_LIB_FIND_IE(F1AP_UEContextReleaseRequestIEs_t, ie, &in->protocolIEs.list, F1AP_ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID, true);
+  F1AP_LIB_FIND_IE(F1AP_UEContextReleaseRequestIEs_t, ie, &in->protocolIEs.list, F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID, true);
+  F1AP_LIB_FIND_IE(F1AP_UEContextReleaseRequestIEs_t, ie, &in->protocolIEs.list, F1AP_ProtocolIE_ID_id_Cause, true);
+
+  for (int i = 0; i < in->protocolIEs.list.count; ++i) {
+    ie = in->protocolIEs.list.array[i];
+    AssertError(ie != NULL, return false, "in->protocolIEs.list.array[i] is NULL");
+    switch (ie->id) {
+      case F1AP_ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID:
+        _F1_EQ_CHECK_INT(ie->value.present, F1AP_UEContextReleaseRequestIEs__value_PR_GNB_CU_UE_F1AP_ID);
+        out->gNB_CU_ue_id = ie->value.choice.GNB_CU_UE_F1AP_ID;
+        break;
+      case F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID:
+        _F1_EQ_CHECK_INT(ie->value.present, F1AP_UEContextReleaseRequestIEs__value_PR_GNB_DU_UE_F1AP_ID);
+        out->gNB_DU_ue_id = ie->value.choice.GNB_DU_UE_F1AP_ID;
+        break;
+      case F1AP_ProtocolIE_ID_id_Cause:
+        _F1_EQ_CHECK_INT(ie->value.present, F1AP_UEContextReleaseRequestIEs__value_PR_Cause);
+        _F1_CHECK_EXP(decode_f1ap_cause(ie->value.choice.Cause, &out->cause, &out->cause_value));
+        break;
+      default:
+        PRINT_ERROR("F1AP_ProtocolIE_ID_id %ld unknown, skipping\n", ie->id);
+        break;
+    }
+  }
+
+  return true;
+}
+
+/**
+ * @brief F1 UE Context Release Request deep copy
+ */
+f1ap_ue_context_rel_req_t cp_ue_context_rel_req(const f1ap_ue_context_rel_req_t *orig)
+{
+  f1ap_ue_context_rel_req_t cp = {
+    .gNB_CU_ue_id = orig->gNB_CU_ue_id,
+    .gNB_DU_ue_id = orig->gNB_DU_ue_id,
+    .cause = orig->cause,
+    .cause_value = orig->cause_value,
+  };
+  return cp;
+}
+
+/**
+ * @brief F1 UE Context Release Request equality check
+ */
+bool eq_ue_context_rel_req(const f1ap_ue_context_rel_req_t *a, const f1ap_ue_context_rel_req_t *b)
+{
+  _F1_EQ_CHECK_INT(a->gNB_CU_ue_id, b->gNB_CU_ue_id);
+  _F1_EQ_CHECK_INT(a->gNB_DU_ue_id, b->gNB_DU_ue_id);
+  _F1_EQ_CHECK_INT(a->cause, b->cause);
+  _F1_EQ_CHECK_LONG(a->cause_value, b->cause_value);
+  return true;
+}
+
+/**
+ * @brief Free Allocated F1 UE Context Release Request
+ */
+void free_ue_context_rel_req(f1ap_ue_context_rel_req_t *req)
+{
+  // nothing to free
+}
diff --git a/openair2/F1AP/lib/f1ap_ue_context.h b/openair2/F1AP/lib/f1ap_ue_context.h
index ddf41689e0..5e683fe1ab 100644
--- a/openair2/F1AP/lib/f1ap_ue_context.h
+++ b/openair2/F1AP/lib/f1ap_ue_context.h
@@ -51,4 +51,10 @@ f1ap_ue_context_mod_resp_t cp_ue_context_mod_resp(const f1ap_ue_context_mod_resp
 bool eq_ue_context_mod_resp(const f1ap_ue_context_mod_resp_t *a, const f1ap_ue_context_mod_resp_t *b);
 void free_ue_context_mod_resp(f1ap_ue_context_mod_resp_t *resp);
 
+struct F1AP_F1AP_PDU *encode_ue_context_rel_req(const f1ap_ue_context_rel_req_t *msg);
+bool decode_ue_context_rel_req(const struct F1AP_F1AP_PDU *pdu, f1ap_ue_context_rel_req_t *out);
+f1ap_ue_context_rel_req_t cp_ue_context_rel_req(const f1ap_ue_context_rel_req_t *orig);
+bool eq_ue_context_rel_req(const f1ap_ue_context_rel_req_t *a, const f1ap_ue_context_rel_req_t *b);
+void free_ue_context_rel_req(f1ap_ue_context_rel_req_t *req);
+
 #endif /* F1AP_UE_CONTEXT_SETUP_REQ_H_ */
diff --git a/openair2/F1AP/tests/f1ap_lib_test.c b/openair2/F1AP/tests/f1ap_lib_test.c
index 5baac1f5c6..a26a80823e 100644
--- a/openair2/F1AP/tests/f1ap_lib_test.c
+++ b/openair2/F1AP/tests/f1ap_lib_test.c
@@ -1171,6 +1171,37 @@ static void test_f1ap_ue_context_modification_response_simple()
   printf("%s() successful\n", __func__);
 }
 
+static void test_f1ap_ue_context_release_request()
+{
+  f1ap_ue_context_rel_req_t orig = {
+    .gNB_CU_ue_id = 1111,
+    .gNB_DU_ue_id = 2222,
+    .cause = F1AP_CAUSE_MISC,
+    .cause_value = 3,
+  };
+
+  F1AP_F1AP_PDU_t *f1enc = encode_ue_context_rel_req(&orig);
+  F1AP_F1AP_PDU_t *f1dec = f1ap_encode_decode(f1enc);
+  f1ap_msg_free(f1enc);
+
+  f1ap_ue_context_rel_req_t decoded = {0};
+  bool ret = decode_ue_context_rel_req(f1dec, &decoded);
+  AssertFatal(ret, "decode_ue_context_rel_req(): could not decode message\n");
+  f1ap_msg_free(f1dec);
+
+  ret = eq_ue_context_rel_req(&orig, &decoded);
+  AssertFatal(ret, "eq_ue_context_rel_req(): decoded message doesn't match\n");
+  free_ue_context_rel_req(&decoded);
+
+  f1ap_ue_context_rel_req_t cp = cp_ue_context_rel_req(&orig);
+  ret = eq_ue_context_rel_req(&orig, &cp);
+  AssertFatal(ret, "eq_ue_context_rel_req(): copied message doesn't match\n");
+  free_ue_context_rel_req(&orig);
+  free_ue_context_rel_req(&cp);
+
+  printf("%s() successful\n", __func__);
+}
+
 int main()
 {
   test_initial_ul_rrc_message_transfer();
@@ -1194,5 +1225,6 @@ int main()
   test_f1ap_ue_context_modification_request_simple();
   test_f1ap_ue_context_modification_response();
   test_f1ap_ue_context_modification_response_simple();
+  test_f1ap_ue_context_release_request();
   return 0;
 }