diff --git a/adapters/mso-openstack-adapters/src/main/java/org/onap/so/adapters/network/MsoNetworkAdapterImpl.java b/adapters/mso-openstack-adapters/src/main/java/org/onap/so/adapters/network/MsoNetworkAdapterImpl.java
index ac33a52..4b6bd09 100644
--- a/adapters/mso-openstack-adapters/src/main/java/org/onap/so/adapters/network/MsoNetworkAdapterImpl.java
+++ b/adapters/mso-openstack-adapters/src/main/java/org/onap/so/adapters/network/MsoNetworkAdapterImpl.java
@@ -42,6 +42,8 @@
 import org.onap.so.db.catalog.beans.HeatTemplate;
 import org.onap.so.db.catalog.beans.NetworkResource;
 import org.onap.so.db.catalog.beans.NetworkResourceCustomization;
+import org.onap.so.db.catalog.beans.CollectionNetworkResourceCustomization;
+import org.onap.so.db.catalog.data.repository.CollectionNetworkResourceCustomizationRepository;
 import org.onap.so.db.catalog.data.repository.NetworkResourceCustomizationRepository;
 import org.onap.so.db.catalog.data.repository.NetworkResourceRepository;
 import org.onap.so.db.catalog.utils.MavenLikeVersioning;
@@ -108,6 +110,9 @@
     private NetworkResourceCustomizationRepository  networkCustomRepo;
     
     @Autowired
+    private CollectionNetworkResourceCustomizationRepository collectionNetworkCustomRepo;
+    
+    @Autowired
     private NetworkResourceRepository  networkResourceRepo;
     /**
      * Health Check web method. Does nothing but return to show the adapter is deployed.
@@ -1124,18 +1129,26 @@
         // Retrieve the Network Resource definition
         NetworkResource networkResource = null;
         NetworkResourceCustomization networkCust = null;
+        CollectionNetworkResourceCustomization collectionNetworkCust = null;
 			if (commonUtils.isNullOrEmpty(modelCustomizationUuid)) {
 				if (!commonUtils.isNullOrEmpty(networkType)) {
-					networkResource = networkResourceRepo.findOneByModelName(networkType);
+					networkResource = networkResourceRepo.findFirstByModelNameOrderByModelVersionDesc(networkType);
 				}
 			} else {
 				networkCust = networkCustomRepo.findOneByModelCustomizationUUID(modelCustomizationUuid);
+				if (networkCust == null) {
+					collectionNetworkCust = collectionNetworkCustomRepo.findOneByModelCustomizationUUID(modelCustomizationUuid);
+				}
 			}
 			if(networkCust != null){
 				LOGGER.debug("Got Network Customization definition from Catalog: "
 						+ networkCust.toString());
 
 				networkResource = networkCust.getNetworkResource();
+			} else if (collectionNetworkCust != null) {
+				LOGGER.debug("Retrieved Collection Network Resource Customization from Catalog: " 
+						+ collectionNetworkCust.toString());
+				networkResource = collectionNetworkCust.getNetworkResource();
 			}
 			if (networkResource == null) {
 				String error = "Create/UpdateNetwork: Unable to get network resource with NetworkType:"
diff --git a/adapters/mso-openstack-adapters/src/test/java/org/onap/so/adapters/network/NetworkAdapterRestTest.java b/adapters/mso-openstack-adapters/src/test/java/org/onap/so/adapters/network/NetworkAdapterRestTest.java
index 2a4564b..6123415 100644
--- a/adapters/mso-openstack-adapters/src/test/java/org/onap/so/adapters/network/NetworkAdapterRestTest.java
+++ b/adapters/mso-openstack-adapters/src/test/java/org/onap/so/adapters/network/NetworkAdapterRestTest.java
@@ -142,7 +142,7 @@
 
 		ResponseEntity<CreateNetworkResponse> response = restTemplate.exchange(
 				createURLWithPort("/services/rest/v1/networks"), HttpMethod.POST, entity, CreateNetworkResponse.class);
-
+		
 		CreateNetworkResponse expectedResponse = jettisonTypeObjectMapper.getMapper().readValue(
 				new File("src/test/resources/__files/CreateNetworkResponse2.json"), CreateNetworkResponse.class);
 
@@ -150,6 +150,8 @@
 		assertThat(response.getBody(), sameBeanAs(expectedResponse));
 	}
 	
+
+	
 	@Test
 	public void testDeleteNetwork() throws IOException{
 		
@@ -267,6 +269,33 @@
 		assertEquals(Response.Status.OK.getStatusCode(), response.getStatusCode().value());
 	}	
 	
+	@Test
+	public void testCreateNetworkCNRC_JSON() throws JSONException, JsonParseException, JsonMappingException, IOException {
+		
+		mockOpenStackResponseAccess(wireMockPort);
+
+		mockOpenStackPostPublicUrlWithBodyFile_200();
+
+		mockOpenStackGetStackCreatedAppC_200();
+		
+		mockOpenStackGetStackAppC_404();
+		
+		headers.add("Content-Type", MediaType.APPLICATION_JSON);
+		headers.add("Accept", MediaType.APPLICATION_JSON);
+		
+		String request = readJsonFileAsString("src/test/resources/CreateNetwork3.json");
+		HttpEntity<String> entity = new HttpEntity<String>(request, headers);
+
+		ResponseEntity<CreateNetworkResponse> response = restTemplate.exchange(
+				createURLWithPort("/services/rest/v1/networks"), HttpMethod.POST, entity, CreateNetworkResponse.class);
+
+		CreateNetworkResponse expectedResponse = jettisonTypeObjectMapper.getMapper().readValue(
+				new File("src/test/resources/__files/CreateNetworkResponse3.json"), CreateNetworkResponse.class);
+		
+		assertEquals(Response.Status.OK.getStatusCode(), response.getStatusCode().value());
+		assertThat(response.getBody(), sameBeanAs(expectedResponse));
+	}
+	
 	@Override
 	protected String readJsonFileAsString(String fileLocation) throws JsonParseException, JsonMappingException, IOException{
 		return new String(Files.readAllBytes(Paths.get(fileLocation)));
diff --git a/adapters/mso-openstack-adapters/src/test/resources/CreateNetwork3.json b/adapters/mso-openstack-adapters/src/test/resources/CreateNetwork3.json
new file mode 100644
index 0000000..accd9e9
--- /dev/null
+++ b/adapters/mso-openstack-adapters/src/test/resources/CreateNetwork3.json
@@ -0,0 +1,42 @@
+{
+	"createNetworkRequest": {
+		"skipAAI": true,
+		"messageId": "c4c44af4-4310-4d8b-a1eb-656fc99fe709",
+		"synchronous": true,
+		"cloudSiteId": "mtn13",
+		"tenantId": "ba38bc24a2ef4fb2ad2810c894f1938f",
+		"networkId": "da886914-efb2-4917-b335-c8381528d90b",
+		"networkName": "APP-C-24595-T-IST-04AShared_untrusted_vDBE_net_3",
+		"networkType": "CONTRAIL30_BASIC",
+		"modelCustomizationUuid": "3bdbb104-ffff-483e-9f8b-c095b3d30844",
+		"networkTechnology": "NEUTRON",
+		"subnets": [{
+			"subnetName": "APP-C-24595-T-IST-04AShared_untrusted_vDBE_net_3_subnet_1",
+			"subnetId": "da60501d-9aa8-48d2-99b7-26644fa01093",
+			"cidr": "20",
+			"gatewayIp": "",
+			"ipVersion": "4",
+			"enableDHCP": false,
+			"addrFromStart": true,
+			"hostRoutes": []
+		}],
+		"providerVlanNetwork": {
+			"physicalNetworkName": "FALSE",
+			"vlans": []
+		},
+		"contrailNetwork": {
+			"shared": "false",
+			"external": "false",
+			"routeTargets": [],
+			"policyFqdns": [],
+			"routeTableFqdns": []
+		},
+		"failIfExists": true,
+		"backout": false,
+		"msoRequest": {
+			"requestId": "5349f419-b3e9-4546-b3a1-094bd568d6b7",
+			"serviceInstanceId": "cf965caf-a003-4189-abf9-e0ed77056dd6"
+		},
+		"contrailRequest": false
+	}
+}
\ No newline at end of file
diff --git a/adapters/mso-openstack-adapters/src/test/resources/__files/CreateNetworkResponse3.json b/adapters/mso-openstack-adapters/src/test/resources/__files/CreateNetworkResponse3.json
new file mode 100644
index 0000000..2e5517c
--- /dev/null
+++ b/adapters/mso-openstack-adapters/src/test/resources/__files/CreateNetworkResponse3.json
@@ -0,0 +1,25 @@
+{
+	"createNetworkResponse": {
+		"networkId": "da886914-efb2-4917-b335-c8381528d90b",
+		"neutronNetworkId": null,
+		"networkStackId": "stackname/stackId",
+		"networkFqdn": null,
+		"networkCreated": true,
+		"subnetMap": {
+
+		},
+		"rollback": {
+			"networkStackId": "stackname/stackId",
+			"tenantId": "ba38bc24a2ef4fb2ad2810c894f1938f",
+			"cloudId": "mtn13",
+			"networkType": "CONTRAIL30_BASIC",
+			"modelCustomizationUuid": "3bdbb104-ffff-483e-9f8b-c095b3d30844",
+			"networkCreated": true,
+			"msoRequest": {
+				"requestId": "5349f419-b3e9-4546-b3a1-094bd568d6b7",
+				"serviceInstanceId": "cf965caf-a003-4189-abf9-e0ed77056dd6"
+			}
+		},
+		"messageId": "c4c44af4-4310-4d8b-a1eb-656fc99fe709"
+	}
+}
\ No newline at end of file
diff --git a/adapters/mso-openstack-adapters/src/test/resources/data.sql b/adapters/mso-openstack-adapters/src/test/resources/data.sql
index d16ca45..960f483 100644
--- a/adapters/mso-openstack-adapters/src/test/resources/data.sql
+++ b/adapters/mso-openstack-adapters/src/test/resources/data.sql
@@ -71,6 +71,20 @@
 ('3bdbb104-476c-483e-9f8b-c095b3d30844', 'CONTRAIL30_BASIC', '', 'CONTRAIL30_BASIC', '', '', '2017-04-19 14:28:32', '10b36f65-f4e6-4be6-ae49-9596dc1c4789'),
 ('3bdbb104-476c-483e-9f8b-c095b3d3068c', 'CONTRAIL31_BASIC', '', 'CONTRAIL31_BASIC', '', '', '2017-04-19 14:28:32', '10b36f65-f4e6-4be6-ae49-9596dc1c4790');
 
+insert into instance_group(model_uuid, model_name, model_invariant_uuid, model_version, tosca_node_type, role, object_type, cr_model_uuid, instance_group_type) values
+('21e43a7c-d823-4f5b-a427-5235f63035ff', 'dror_cr_network_resource_1806..NetworkCollection..0', '81c94263-c01e-4046-b0c7-51878d658eab', '1', 'org.openecomp.groups.NetworkCollection', 'SUB_INTERFACE', 'L3_NETWORK', '5e3fca45-e2d8-4987-bef1-016d9bda1a8c', 'L3_NETWORK');
+
+insert into collection_resource(model_uuid, model_name, model_invariant_uuid, model_version, tosca_node_type, description) values
+('5e3fca45-e2d8-4987-bef1-016d9bda1a8c', 'Dror_CR_Network_Resource_1806', 'fe243154-ac18-405f-94c2-ef629d26b8bb', '2.0', 'org.openecomp.resource.cr.DrorCrNetworkResource1806', 'Creation date: 07/25/18');
+
+insert into collection_resource_customization(model_customization_uuid, model_instance_name, role, object_type, function, collection_resource_type, cr_model_uuid) values
+('c51096a4-6081-41f4-a540-3ed015a8064a', 'Dror_CR_Network_Resource_1806', 'Dror2', 'NetworkCollection', 'Dror1', 'Dror3', '5e3fca45-e2d8-4987-bef1-016d9bda1a8c');
+
+insert into collection_network_resource_customization(model_customization_uuid, model_instance_name, network_technology, network_type, network_role, network_scope, network_resource_model_uuid, instance_group_model_uuid, crc_model_customization_uuid) values
+('3bdbb104-ffff-483e-9f8b-c095b3d30844', 'ExtVL 0', 'CONTRAIL', 'L3-NETWORK', '', '', '10b36f65-f4e6-4be6-ae49-9596dc1c4789', '21e43a7c-d823-4f5b-a427-5235f63035ff', 'c51096a4-6081-41f4-a540-3ed015a8064a'),
+('3bdbb104-ffff-483e-9f8b-c095b3d3068c', 'ExtVL 0', 'CONTRAIL', 'L3-NETWORK', '', '', '10b36f65-f4e6-4be6-ae49-9596dc1c4790', '21e43a7c-d823-4f5b-a427-5235f63035ff', 'c51096a4-6081-41f4-a540-3ed015a8064a');
+
+
 insert into vnf_resource(orchestration_mode, description, creation_timestamp, model_uuid, aic_version_min, aic_version_max, model_invariant_uuid, model_version, model_name, tosca_node_type, heat_template_artifact_uuid) values
 ('HEAT', '1607 vSAMP10a - inherent network', '2017-04-14 21:46:28', 'ff2ae348-214a-11e7-93ae-92361f002672', '', '', '2fff5b20-214b-11e7-93ae-92361f002671', '2.0', 'vSAMP10a', 'VF', null);