diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index 56f43da922..9bac0e2a44 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -485,7 +485,6 @@ add_custom_target (
 
 add_library(NR_RRC_LIB ${nr_rrc_h} ${nr_rrc_source} 
     ${OPENAIR2_DIR}/RRC/NR/MESSAGES/asn1_msg.c
-    ${OPENAIR2_DIR}/RRC/NR/nr_ngap_gNB.c
     )
 add_dependencies(NR_RRC_LIB nr_rrc_flag)
 include_directories ("${NR_RRC_FULL_DIR}")
diff --git a/openair2/RRC/NR/nr_ngap_gNB.c b/openair2/RRC/NR/nr_ngap_gNB.c
deleted file mode 100644
index 88c0762c99..0000000000
--- a/openair2/RRC/NR/nr_ngap_gNB.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The OpenAirInterface Software Alliance licenses this file to You under
- * the OAI Public License, Version 1.1  (the "License"); you may not use this file
- * except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.openairinterface.org/?page_id=698
- *
- * Author and copyright: Laurent Thomas, open-cells.com
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *-------------------------------------------------------------------------------
- * For more information about the OpenAirInterface (OAI) Software Alliance:
- *      contact@openairinterface.org
- */
-#include <openair2/RRC/LTE/MESSAGES/asn1_msg.h>
-#include <openair2/RRC/NR/nr_rrc_proto.h>
-
-void rrc_gNB_process_NGAP_DOWNLINK_NAS (void ) {
-   do_DLInformationTransfer(0,NULL,0,0,NULL);
-   // send it as DL data
-/*
-    rrc_data_req (
-      &ctxt,
-      srb_id,
-      (*rrc_eNB_mui)++,
-      SDU_CONFIRM_NO,
-      length,
-      buffer,
-      PDCP_TRANSMISSION_MODE_CONTROL);
-*/
-
-}
-
-void rrc_gNB_send_NGAP_NAS_FIRST_REQ(void ) {
-   // We are noCore only now
-   // create message that should come from 5GC
-  
-   // send it dow
-   rrc_gNB_process_NGAP_DOWNLINK_NAS();
-}
-
-void nr_rrc_rx_tx(void) {
-  // check timers 
-
-  // check if UEs are lost, to remove them from upper layers
-
-  //
-
-}
diff --git a/openair2/RRC/NR/rrc_gNB.c b/openair2/RRC/NR/rrc_gNB.c
old mode 100644
new mode 100755
index 1f20561f96..793e0eeb27
--- a/openair2/RRC/NR/rrc_gNB.c
+++ b/openair2/RRC/NR/rrc_gNB.c
@@ -946,6 +946,7 @@ rrc_gNB_process_RRCReconfigurationComplete(
             // rrc_mac_config_req_eNB
         } else {        // remove LCHAN from MAC/PHY
           if (ue_context_pP->ue_context.DRB_active[drb_id] == 1) {
+            /* TODO : It may be needed if gNB goes into full stack working. */
             // DRB has just been removed so remove RLC + PDCP for DRB
             /*      rrc_pdcp_config_req (ctxt_pP->module_id, frameP, 1, CONFIG_ACTION_REMOVE,
             (ue_mod_idP * NB_RB_MAX) + DRB2LCHAN[i],UNDEF_SECURITY_MODE);
@@ -1045,6 +1046,7 @@ rrc_gNB_generate_RRCReestablishment(
           PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP),
           ue_context->Srb0.Tx_buffer.payload_size);
 #if(0)
+    /* TODO : It may be needed if gNB goes into full stack working. */
     UE_id = find_nr_UE_id(module_id, rnti);
     if (UE_id != -1) {
       /* Activate reject timer, if RRCComplete not received after 10 frames, reject UE */
@@ -1554,6 +1556,7 @@ int nr_rrc_gNB_decode_ccch(protocol_ctxt_t    *const ctxt_pP,
             break;
           }
 #if(0)
+          /* TODO : It may be needed if gNB goes into full stack working. */
           int UE_id = find_nr_UE_id(ctxt_pP->module_id, c_rnti);
 
           if(UE_id == -1) {
@@ -2202,6 +2205,7 @@ rrc_gNB_decode_dcch(
                 }
 
 #if(0)
+                /* TODO : It may be needed if gNB goes into full stack working. */
                 //clear
                 int UE_id = find_nr_UE_id(ctxt_pP->module_id, ctxt_pP->rnti);
 
diff --git a/openair2/RRC/NR/rrc_gNB_NGAP.c b/openair2/RRC/NR/rrc_gNB_NGAP.c
index 1136fcb19a..a55d0a15e8 100644
--- a/openair2/RRC/NR/rrc_gNB_NGAP.c
+++ b/openair2/RRC/NR/rrc_gNB_NGAP.c
@@ -500,13 +500,13 @@ rrc_gNB_process_NGAP_INITIAL_CONTEXT_SETUP_REQ(
     gNB_ue_ngap_id = NGAP_INITIAL_CONTEXT_SETUP_REQ(msg_p).gNB_ue_ngap_id;
 
     ue_context_p   = rrc_gNB_get_ue_context_from_ngap_ids(instance, ue_initial_id, gNB_ue_ngap_id);
-    LOG_I(NR_RRC, "[gNB %d] Received %s: ue_initial_id %d, gNB_ue_ngap_id %d \n",
+    LOG_I(NR_RRC, "[gNB %d] Received %s: ue_initial_id %d, gNB_ue_ngap_id %u \n",
         instance, msg_name, ue_initial_id, gNB_ue_ngap_id);
 
     if (ue_context_p == NULL) {
         /* Can not associate this message to an UE index, send a failure to NGAP and discard it! */
         MessageDef *msg_fail_p = NULL;
-        LOG_W(NR_RRC, "[gNB %d] In NGAP_INITIAL_CONTEXT_SETUP_REQ: unknown UE from NGAP ids (%d, %d)\n", instance, ue_initial_id, gNB_ue_ngap_id);
+        LOG_W(NR_RRC, "[gNB %d] In NGAP_INITIAL_CONTEXT_SETUP_REQ: unknown UE from NGAP ids (%d, %u)\n", instance, ue_initial_id, gNB_ue_ngap_id);
         msg_fail_p = itti_alloc_new_message (TASK_RRC_GNB, NGAP_INITIAL_CONTEXT_SETUP_FAIL);
         NGAP_INITIAL_CONTEXT_SETUP_FAIL (msg_fail_p).gNB_ue_ngap_id = gNB_ue_ngap_id;
         // TODO add failure cause when defined!
@@ -722,7 +722,7 @@ rrc_gNB_process_NGAP_DOWNLINK_NAS(
     ue_initial_id  = NGAP_DOWNLINK_NAS (msg_p).ue_initial_id;
     gNB_ue_ngap_id = NGAP_DOWNLINK_NAS (msg_p).gNB_ue_ngap_id;
     ue_context_p = rrc_gNB_get_ue_context_from_ngap_ids(instance, ue_initial_id, gNB_ue_ngap_id);
-    LOG_I(NR_RRC, "[gNB %d] Received %s: ue_initial_id %d, gNB_ue_ngap_id %d\n",
+    LOG_I(NR_RRC, "[gNB %d] Received %s: ue_initial_id %d, gNB_ue_ngap_id %u\n",
             instance,
             msg_name,
             ue_initial_id,
@@ -740,7 +740,7 @@ rrc_gNB_process_NGAP_DOWNLINK_NAS(
             gNB_ue_ngap_id);
         /* Can not associate this message to an UE index, send a failure to NGAP and discard it! */
         MessageDef *msg_fail_p;
-        LOG_W(NR_RRC, "[gNB %d] In NGAP_DOWNLINK_NAS: unknown UE from NGAP ids (%d, %d)\n", instance, ue_initial_id, gNB_ue_ngap_id);
+        LOG_W(NR_RRC, "[gNB %d] In NGAP_DOWNLINK_NAS: unknown UE from NGAP ids (%d, %u)\n", instance, ue_initial_id, gNB_ue_ngap_id);
         msg_fail_p = itti_alloc_new_message (TASK_RRC_GNB, NGAP_NAS_NON_DELIVERY_IND);
         NGAP_NAS_NON_DELIVERY_IND (msg_fail_p).gNB_ue_ngap_id = gNB_ue_ngap_id;
         NGAP_NAS_NON_DELIVERY_IND (msg_fail_p).nas_pdu.length = NGAP_DOWNLINK_NAS (msg_p).nas_pdu.length;
@@ -788,9 +788,9 @@ rrc_gNB_process_NGAP_DOWNLINK_NAS(
 #ifdef ITTI_SIM
         MessageDef *message_p;
         uint8_t *message_buffer;
-        message_buffer = itti_malloc (TASK_RRC_GNB_SIM, TASK_RRC_UE_SIM, length);
+        message_buffer = itti_malloc (TASK_RRC_GNB, TASK_RRC_UE_SIM, length);
         memcpy (message_buffer, buffer, length);
-        message_p = itti_alloc_new_message (TASK_RRC_GNB_SIM, GNB_RRC_DCCH_DATA_IND);
+        message_p = itti_alloc_new_message (TASK_RRC_GNB, GNB_RRC_DCCH_DATA_IND);
         GNB_RRC_DCCH_DATA_IND (message_p).rbid = DCCH;
         GNB_RRC_DCCH_DATA_IND (message_p).sdu = message_buffer;
         GNB_RRC_DCCH_DATA_IND (message_p).size  = length;
@@ -948,12 +948,12 @@ rrc_gNB_process_NGAP_PDUSESSION_SETUP_REQ(
   ue_initial_id  = NGAP_PDUSESSION_SETUP_REQ(msg_p).ue_initial_id;
   gNB_ue_ngap_id = NGAP_PDUSESSION_SETUP_REQ(msg_p).gNB_ue_ngap_id;
   ue_context_p   = rrc_gNB_get_ue_context_from_ngap_ids(instance, ue_initial_id, gNB_ue_ngap_id);
-  LOG_I(NR_RRC, "[gNB %d] Received %s: ue_initial_id %d, gNB_ue_ngap_id %d \n",
+  LOG_I(NR_RRC, "[gNB %d] Received %s: ue_initial_id %d, gNB_ue_ngap_id %u \n",
     instance, msg_name, ue_initial_id, gNB_ue_ngap_id);
 
   if (ue_context_p == NULL) {
     MessageDef *msg_fail_p = NULL;
-    LOG_W(NR_RRC, "[gNB %d] In NGAP_PDUSESSION_SETUP_REQ: unknown UE from NGAP ids (%d, %d)\n", instance, ue_initial_id, gNB_ue_ngap_id);
+    LOG_W(NR_RRC, "[gNB %d] In NGAP_PDUSESSION_SETUP_REQ: unknown UE from NGAP ids (%d, %u)\n", instance, ue_initial_id, gNB_ue_ngap_id);
     msg_fail_p = itti_alloc_new_message(TASK_RRC_GNB, NGAP_PDUSESSION_SETUP_REQUEST_FAIL);
     NGAP_PDUSESSION_SETUP_REQ(msg_fail_p).gNB_ue_ngap_id = gNB_ue_ngap_id;
     // TODO add failure cause when defined!
@@ -1066,7 +1066,7 @@ rrc_gNB_process_NGAP_UE_CONTEXT_RELEASE_REQ (
   if (ue_context_p == NULL) {
     /* Can not associate this message to an UE index, send a failure to ngAP and discard it! */
     MessageDef *msg_fail_p;
-    LOG_W(RRC, "[gNB %d] In NGAP_UE_CONTEXT_RELEASE_REQ: unknown UE from gNB_ue_ngap_id (%d)\n",
+    LOG_W(RRC, "[gNB %d] In NGAP_UE_CONTEXT_RELEASE_REQ: unknown UE from gNB_ue_ngap_id (%u)\n",
           instance,
           gNB_ue_ngap_id);
     msg_fail_p = itti_alloc_new_message(TASK_RRC_GNB, NGAP_UE_CONTEXT_RELEASE_RESP); /* TODO change message ID. */
@@ -1108,7 +1108,7 @@ rrc_gNB_process_NGAP_UE_CONTEXT_RELEASE_COMMAND(
   if (ue_context_p == NULL) {
     /* Can not associate this message to an UE index */
     MessageDef *msg_complete_p = NULL;
-    LOG_W(RRC, "[gNB %d] In NGAP_UE_CONTEXT_RELEASE_COMMAND: unknown UE from gNB_ue_ngap_id (%d)\n",
+    LOG_W(RRC, "[gNB %d] In NGAP_UE_CONTEXT_RELEASE_COMMAND: unknown UE from gNB_ue_ngap_id (%u)\n",
           instance,
           gNB_ue_ngap_id);
     MSC_LOG_EVENT(MSC_RRC_GNB, "0 NGAP_UE_CONTEXT_RELEASE_COMPLETE gNB_ue_ngap_id 0x%06"PRIX32" context not found",
@@ -1259,7 +1259,7 @@ rrc_gNB_send_NGAP_PDUSESSION_RELEASE_RESPONSE(
   memcpy(&(NGAP_PDUSESSION_RELEASE_RESPONSE (msg_p).pdusessions_failed[0]), &ue_context_pP->ue_context.pdusessions_release_failed[0],
       sizeof(pdusession_failed_t)*ue_context_pP->ue_context.nb_release_of_pdusessions);
   ue_context_pP->ue_context.setup_pdu_sessions -= pdu_sessions_released;
-  LOG_I(NR_RRC,"NGAP PDUSESSION RELEASE RESPONSE: GNB_UE_NGAP_ID %d release_pdu_sessions %d setup_pdu_sessions %d \n",
+  LOG_I(NR_RRC,"NGAP PDUSESSION RELEASE RESPONSE: GNB_UE_NGAP_ID %u release_pdu_sessions %d setup_pdu_sessions %d \n",
         NGAP_PDUSESSION_RELEASE_RESPONSE (msg_p).gNB_ue_ngap_id,
         pdu_sessions_released, ue_context_pP->ue_context.setup_pdu_sessions);
   itti_send_msg_to_task (TASK_NGAP, ctxt_pP->instance, msg_p);
@@ -1302,12 +1302,12 @@ rrc_gNB_process_NGAP_PDUSESSION_RELEASE_COMMAND(
     return -1;
   }
   ue_context_p   = rrc_gNB_get_ue_context_from_ngap_ids(instance, UE_INITIAL_ID_INVALID, gNB_ue_ngap_id);
-  LOG_I(NR_RRC, "[gNB %d] Received %s: gNB_ue_ngap_id %d \n", instance, msg_name, gNB_ue_ngap_id);
+  LOG_I(NR_RRC, "[gNB %d] Received %s: gNB_ue_ngap_id %u \n", instance, msg_name, gNB_ue_ngap_id);
 
   if (ue_context_p != NULL) {
     PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt, instance, GNB_FLAG_YES, ue_context_p->ue_context.rnti, 0, 0);
     xid = rrc_gNB_get_next_transaction_identifier(ctxt.module_id);
-    LOG_I(NR_RRC,"PDU Session Release Command: AMF_UE_NGAP_ID %lu  GNB_UE_NGAP_ID %d release_pdusessions %d \n",
+    LOG_I(NR_RRC,"PDU Session Release Command: AMF_UE_NGAP_ID %lu  GNB_UE_NGAP_ID %u release_pdusessions %d \n",
           NGAP_PDUSESSION_RELEASE_COMMAND (msg_p).amf_ue_ngap_id&0x000000FFFFFFFFFF, gNB_ue_ngap_id, nb_pdusessions_torelease);
 
     for (pdusession = 0; pdusession < nb_pdusessions_torelease; pdusession++) {
@@ -1385,10 +1385,20 @@ rrc_gNB_process_NGAP_PDUSESSION_RELEASE_COMMAND(
       LOG_I(NR_RRC, "Send PDU Session Release Response \n");
     }
   } else {
-    LOG_E(NR_RRC, "PDU Session Release Command: AMF_UE_NGAP_ID %lu  GNB_UE_NGAP_ID %d  Error ue_context_p NULL \n",
+    LOG_E(NR_RRC, "PDU Session Release Command: AMF_UE_NGAP_ID %lu  GNB_UE_NGAP_ID %u  Error ue_context_p NULL \n",
           NGAP_PDUSESSION_RELEASE_COMMAND (msg_p).amf_ue_ngap_id&0x000000FFFFFFFFFF, NGAP_PDUSESSION_RELEASE_COMMAND(msg_p).gNB_ue_ngap_id);
     return -1;
   }
 
   return 0;
 }
+
+void nr_rrc_rx_tx(void) {
+  // check timers
+
+  // check if UEs are lost, to remove them from upper layers
+
+  //
+
+}
+
diff --git a/openair3/NAS/COMMON/EMM/MSG/FGSAuthenticationResponse.c b/openair3/NAS/COMMON/EMM/MSG/FGSAuthenticationResponse.c
index 804f8e97ff..5e1ff25151 100644
--- a/openair3/NAS/COMMON/EMM/MSG/FGSAuthenticationResponse.c
+++ b/openair3/NAS/COMMON/EMM/MSG/FGSAuthenticationResponse.c
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file FGSAuthenticationResponse.c
 
 \brief authentication response procedures
diff --git a/openair3/NAS/COMMON/EMM/MSG/FGSAuthenticationResponse.h b/openair3/NAS/COMMON/EMM/MSG/FGSAuthenticationResponse.h
index 2e3ea248e4..0acee3382f 100644
--- a/openair3/NAS/COMMON/EMM/MSG/FGSAuthenticationResponse.h
+++ b/openair3/NAS/COMMON/EMM/MSG/FGSAuthenticationResponse.h
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file FGSAuthenticationResponse.h
 
 \brief authentication response procedures
diff --git a/openair3/NAS/COMMON/EMM/MSG/FGSIdentityResponse.c b/openair3/NAS/COMMON/EMM/MSG/FGSIdentityResponse.c
index 65aa2285e1..4f8f6dd321 100644
--- a/openair3/NAS/COMMON/EMM/MSG/FGSIdentityResponse.c
+++ b/openair3/NAS/COMMON/EMM/MSG/FGSIdentityResponse.c
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file FGSIdentityResponse.c
 
 \brief identity response procedures for gNB
diff --git a/openair3/NAS/COMMON/EMM/MSG/FGSIdentityResponse.h b/openair3/NAS/COMMON/EMM/MSG/FGSIdentityResponse.h
index aa68116462..431293e03e 100644
--- a/openair3/NAS/COMMON/EMM/MSG/FGSIdentityResponse.h
+++ b/openair3/NAS/COMMON/EMM/MSG/FGSIdentityResponse.h
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file FGSIdentityResponse.h
 
 \brief identity response procedures for gNB
diff --git a/openair3/NAS/COMMON/EMM/MSG/FGSNASSecurityModeComplete.c b/openair3/NAS/COMMON/EMM/MSG/FGSNASSecurityModeComplete.c
index 25e41b70a0..e0be56145f 100644
--- a/openair3/NAS/COMMON/EMM/MSG/FGSNASSecurityModeComplete.c
+++ b/openair3/NAS/COMMON/EMM/MSG/FGSNASSecurityModeComplete.c
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file FGSNASSecurityModeComplete.c
 
 \brief security mode complete procedures for gNB
diff --git a/openair3/NAS/COMMON/EMM/MSG/FGSNASSecurityModeComplete.h b/openair3/NAS/COMMON/EMM/MSG/FGSNASSecurityModeComplete.h
index 691130c1e8..702dca3dc5 100644
--- a/openair3/NAS/COMMON/EMM/MSG/FGSNASSecurityModeComplete.h
+++ b/openair3/NAS/COMMON/EMM/MSG/FGSNASSecurityModeComplete.h
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file FGSNASSecurityModeComplete.h
 
 \brief security mode complete procedures for gNB
diff --git a/openair3/NAS/COMMON/EMM/MSG/FGSUplinkNasTransport.c b/openair3/NAS/COMMON/EMM/MSG/FGSUplinkNasTransport.c
index 55c30d24c7..d94df434b2 100644
--- a/openair3/NAS/COMMON/EMM/MSG/FGSUplinkNasTransport.c
+++ b/openair3/NAS/COMMON/EMM/MSG/FGSUplinkNasTransport.c
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file FGSUplinkNasTransport.c
 
 \brief uplink nas transport procedures
diff --git a/openair3/NAS/COMMON/EMM/MSG/FGSUplinkNasTransport.h b/openair3/NAS/COMMON/EMM/MSG/FGSUplinkNasTransport.h
index f0debd79eb..5fabcea173 100644
--- a/openair3/NAS/COMMON/EMM/MSG/FGSUplinkNasTransport.h
+++ b/openair3/NAS/COMMON/EMM/MSG/FGSUplinkNasTransport.h
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file FGSUplinkNasTransport.h
 
 \brief uplink nas transport procedures
diff --git a/openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.c b/openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.c
index fb263e6b34..d8fde7e2cc 100644
--- a/openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.c
+++ b/openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.c
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file RegistrationAccept.c
 
 \brief 5GS registration accept procedures
diff --git a/openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.h b/openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.h
index f737496105..08daec2646 100644
--- a/openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.h
+++ b/openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.h
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file RegistrationAccept.h
 
 \brief 5GS registration accept procedures
diff --git a/openair3/NAS/COMMON/EMM/MSG/RegistrationComplete.h b/openair3/NAS/COMMON/EMM/MSG/RegistrationComplete.h
index bc69810ea9..0fbf2abde1 100644
--- a/openair3/NAS/COMMON/EMM/MSG/RegistrationComplete.h
+++ b/openair3/NAS/COMMON/EMM/MSG/RegistrationComplete.h
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file RegistrationRequest.h
 
 \brief registration request procedures for gNB
diff --git a/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.c b/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.c
index 369d6b83aa..bc4d34d650 100644
--- a/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.c
+++ b/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.c
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file PduSessionEstablishRequest.c
 
 \brief pdu session establishment request procedures
diff --git a/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.h b/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.h
index 6626e35cc6..ac5b250f66 100644
--- a/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.h
+++ b/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.h
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file PduSessionEstablishRequest.h
 
 \brief pdu session establishment request procedures
diff --git a/openair3/NAS/COMMON/IES/FGCNasMessageContainer.c b/openair3/NAS/COMMON/IES/FGCNasMessageContainer.c
index 13a5f167d2..874f61e7b3 100644
--- a/openair3/NAS/COMMON/IES/FGCNasMessageContainer.c
+++ b/openair3/NAS/COMMON/IES/FGCNasMessageContainer.c
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file FGCNasMessageContainer.c
 
 \brief security mode complete procedures for gNB
diff --git a/openair3/NAS/COMMON/IES/FGCNasMessageContainer.h b/openair3/NAS/COMMON/IES/FGCNasMessageContainer.h
index 1e00ff434c..19a1679b7e 100644
--- a/openair3/NAS/COMMON/IES/FGCNasMessageContainer.h
+++ b/openair3/NAS/COMMON/IES/FGCNasMessageContainer.h
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file FGCNasMessageContainer.h
 
 \brief security mode complete procedures for gNB
diff --git a/openair3/NAS/COMMON/IES/FGSRegistrationResult.c b/openair3/NAS/COMMON/IES/FGSRegistrationResult.c
index 3c70919c72..e580b14409 100644
--- a/openair3/NAS/COMMON/IES/FGSRegistrationResult.c
+++ b/openair3/NAS/COMMON/IES/FGSRegistrationResult.c
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file FGSRegistrationResult.c
 
 \brief 5GS Registration result for registration request procedures
diff --git a/openair3/NAS/COMMON/IES/FGSRegistrationResult.h b/openair3/NAS/COMMON/IES/FGSRegistrationResult.h
index f9a437eb1a..0a2dedc2e5 100644
--- a/openair3/NAS/COMMON/IES/FGSRegistrationResult.h
+++ b/openair3/NAS/COMMON/IES/FGSRegistrationResult.h
@@ -1,3 +1,24 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
 /*! \file FGSRegistrationResult.h
 
 \brief 5GS Registration result for registration request procedures
diff --git a/openair3/NGAP/ngap_gNB.c b/openair3/NGAP/ngap_gNB.c
index 70446eea5f..5af2936764 100644
--- a/openair3/NGAP/ngap_gNB.c
+++ b/openair3/NGAP/ngap_gNB.c
@@ -98,7 +98,7 @@ static void ngap_gNB_register_amf(ngap_gNB_instance_t *instance_p,
   MessageDef                 *message_p                   = NULL;
   sctp_new_association_req_t *sctp_new_association_req_p  = NULL;
   ngap_gNB_amf_data_t        *ngap_amf_data_p             = NULL;
-  struct ngap_gNB_amf_data_s *amf                         = NULL;
+
   DevAssert(instance_p != NULL);
   DevAssert(amf_ip_address != NULL);
   message_p = itti_alloc_new_message(TASK_NGAP, SCTP_NEW_ASSOCIATION_REQ);
@@ -114,55 +114,33 @@ static void ngap_gNB_register_amf(ngap_gNB_instance_t *instance_p,
          local_ip_addr,
          sizeof(*local_ip_addr));
   NGAP_INFO("[gNB %d] check the amf registration state\n",instance_p->instance);
-  amf = NULL;
 
-  if ( amf == NULL ) {
-    /* Create new AMF descriptor */
-    ngap_amf_data_p = calloc(1, sizeof(*ngap_amf_data_p));
-    DevAssert(ngap_amf_data_p != NULL);
-    ngap_amf_data_p->cnx_id                = ngap_gNB_fetch_add_global_cnx_id();
-    sctp_new_association_req_p->ulp_cnx_id = ngap_amf_data_p->cnx_id;
-    ngap_amf_data_p->assoc_id          = -1;
-    ngap_amf_data_p->broadcast_plmn_num = broadcast_plmn_num;
-    memcpy(&ngap_amf_data_p->amf_s1_ip,
-    	   amf_ip_address,
-    	   sizeof(*amf_ip_address));
-    for (int i = 0; i < broadcast_plmn_num; ++i)
-      ngap_amf_data_p->broadcast_plmn_index[i] = broadcast_plmn_index[i];
+  /* Create new AMF descriptor */
+  ngap_amf_data_p = calloc(1, sizeof(*ngap_amf_data_p));
+  DevAssert(ngap_amf_data_p != NULL);
+  ngap_amf_data_p->cnx_id                = ngap_gNB_fetch_add_global_cnx_id();
+  sctp_new_association_req_p->ulp_cnx_id = ngap_amf_data_p->cnx_id;
+  ngap_amf_data_p->assoc_id          = -1;
+  ngap_amf_data_p->broadcast_plmn_num = broadcast_plmn_num;
+  memcpy(&ngap_amf_data_p->amf_s1_ip,
+        amf_ip_address,
+        sizeof(*amf_ip_address));
+  for (int i = 0; i < broadcast_plmn_num; ++i)
+    ngap_amf_data_p->broadcast_plmn_index[i] = broadcast_plmn_index[i];
 
-    ngap_amf_data_p->ngap_gNB_instance = instance_p;
-    STAILQ_INIT(&ngap_amf_data_p->served_guami);
-    /* Insert the new descriptor in list of known AMF
-     * but not yet associated.
-     */
-    RB_INSERT(ngap_amf_map, &instance_p->ngap_amf_head, ngap_amf_data_p);
-    ngap_amf_data_p->state = NGAP_GNB_STATE_WAITING;
-    instance_p->ngap_amf_nb ++;
-    instance_p->ngap_amf_pending_nb ++;
-  } else if (amf->state == NGAP_GNB_STATE_WAITING) {
-    instance_p->ngap_amf_pending_nb ++;
-    sctp_new_association_req_p->ulp_cnx_id = amf->cnx_id;
-    NGAP_INFO("[gNB %d] AMF already registered, retrive the data (state %d, cnx %d, amf_nb %d, amf_pending_nb %d)\n",
-              instance_p->instance,
-              amf->state, amf->cnx_id,
-              instance_p->ngap_amf_nb, instance_p->ngap_amf_pending_nb);
-    /*ngap_amf_data_p->cnx_id                = amf->cnx_id;
-    sctp_new_association_req_p->ulp_cnx_id = amf->cnx_id;
-
-    ngap_amf_data_p->assoc_id          = -1;
-    ngap_amf_data_p->ngap_gNB_instance = instance_p;
-    */
-  } else {
-    NGAP_WARN("[gNB %d] AMF already registered but not in the waiting state, retrive the data (state %d, cnx %d, amf_nb %d, amf_pending_nb %d)\n",
-              instance_p->instance,
-              amf->state, amf->cnx_id,
-              instance_p->ngap_amf_nb, instance_p->ngap_amf_pending_nb);
-  }
+  ngap_amf_data_p->ngap_gNB_instance = instance_p;
+  STAILQ_INIT(&ngap_amf_data_p->served_guami);
+  /* Insert the new descriptor in list of known AMF
+   * but not yet associated.
+   */
+  RB_INSERT(ngap_amf_map, &instance_p->ngap_amf_head, ngap_amf_data_p);
+  ngap_amf_data_p->state = NGAP_GNB_STATE_DISCONNECTED;
+  instance_p->ngap_amf_nb ++;
+  instance_p->ngap_amf_pending_nb ++;
 
   itti_send_msg_to_task(TASK_SCTP, instance_p->instance, message_p);
 }
 
-
 void ngap_gNB_handle_register_gNB(instance_t instance, ngap_register_gnb_req_t *ngap_register_gNB) {
   ngap_gNB_instance_t *new_instance;
   uint8_t index;