diff --git a/pom.xml b/pom.xml
index 9b933be..0601872 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,7 +48,6 @@
 		<dependency>
 			<groupId>org.gcube.information-system</groupId>
 			<artifactId>resource-registry-api</artifactId>
-			<version>[4.1.0-SNAPSHOT, 5.0.0-SNAPSHOT]</version>
 		</dependency>
 		<dependency>
 			<groupId>org.gcube.information-system</groupId>
diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherFactory.java b/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherFactory.java
index 69b90b4..25b84ce 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherFactory.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherFactory.java
@@ -28,10 +28,28 @@ public class ResourceRegistryPublisherFactory {
 		return ResourceRegistryPublisherFactory.HIERARCHICAL_MODE;
 	}
 
+	/**
+	 * The affected methods are {@link ResourceRegistryPublisher} safe methods i.e. read* and exists*
+	 * @param hierarchicalMode
+	 */
 	public static void setHierarchicalMode(boolean hierarchicalMode) {
 		ResourceRegistryPublisherFactory.HIERARCHICAL_MODE = hierarchicalMode;
 	}
 	
+	protected static boolean INCLUDE_CONTEXTS_IN_INSTANCES_HEADER;
+	
+	protected static boolean includeContextsInInstanceHeader() {
+		return ResourceRegistryPublisherFactory.INCLUDE_CONTEXTS_IN_INSTANCES_HEADER;
+	}
+
+	/**
+	 * The affected methods are {@link ResourceRegistryClient} instances safe methods i.e. read* and exists*
+	 * @param hierarchicalMode
+	 */
+	public static void includeContextsInInstanceHeader(boolean includeContextsInInstancesHeader) {
+		ResourceRegistryPublisherFactory.INCLUDE_CONTEXTS_IN_INSTANCES_HEADER = includeContextsInInstancesHeader;
+	}
+	
 	protected static List<String> addresses;
 	
 	static {
diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherImpl.java b/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherImpl.java
index 326a5a6..b82c607 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherImpl.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherImpl.java
@@ -44,18 +44,33 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 	
 	protected final String address;
 	
-	private void checkHierarchicalMode(GXHTTPStringRequest gxHTTPStringRequest) throws UnsupportedEncodingException{
-		checkHierarchicalMode(gxHTTPStringRequest, null);
+	private GXHTTPStringRequest includeAdditionalQueryParameters(GXHTTPStringRequest gxHTTPStringRequest) throws UnsupportedEncodingException{
+		return includeAdditionalQueryParameters(gxHTTPStringRequest, null);
 	}
 	
-	private void checkHierarchicalMode(GXHTTPStringRequest gxHTTPStringRequest, Map<String,String> queryParams) throws UnsupportedEncodingException{
+	private GXHTTPStringRequest includeAdditionalQueryParameters(GXHTTPStringRequest gxHTTPStringRequest, Map<String,String> queryParams) throws UnsupportedEncodingException{
+		gxHTTPStringRequest = checkHierarchicalMode(gxHTTPStringRequest, queryParams);
+		return checkIncludeContextsInInstanceHeader(gxHTTPStringRequest, queryParams);
+	}
+	
+	private GXHTTPStringRequest checkHierarchicalMode(GXHTTPStringRequest gxHTTPStringRequest, Map<String,String> queryParams) throws UnsupportedEncodingException{
 		if(ResourceRegistryPublisherFactory.isHierarchicalMode()) {
 			if(queryParams==null) {
 				queryParams = new HashMap<>();
 			}
 			queryParams.put(AccessPath.HIERARCHICAL_MODE_PARAM, Boolean.toString(true));
 		}
-		gxHTTPStringRequest.queryParams(queryParams);
+		return gxHTTPStringRequest.queryParams(queryParams);
+	}
+	
+	private GXHTTPStringRequest checkIncludeContextsInInstanceHeader(GXHTTPStringRequest gxHTTPStringRequest, Map<String,String> queryParams) throws UnsupportedEncodingException{
+		if(ResourceRegistryPublisherFactory.includeContextsInInstanceHeader()) {
+			if(queryParams==null) {
+				queryParams = new HashMap<>();
+			}
+			queryParams.put(AccessPath.INCLUDE_CONTEXTS_IN_HEADER_PARAM, Boolean.toString(true));
+		}
+		return gxHTTPStringRequest.queryParams(queryParams);
 	}
 	
 	protected ContextCacheRenewal contextCacheRenewal = new ContextCacheRenewal() {
@@ -286,7 +301,7 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 			gxHTTPStringRequest.path(type);
 			gxHTTPStringRequest.path(uuid.toString());
 			
-			checkHierarchicalMode(gxHTTPStringRequest);
+			includeAdditionalQueryParameters(gxHTTPStringRequest);
 			
 			HttpURLConnection httpURLConnection = gxHTTPStringRequest.head();
 			HTTPUtility.getResponse(String.class, httpURLConnection);
@@ -332,7 +347,7 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 			gxHTTPStringRequest.path(identifiableElementTypeName);
 			gxHTTPStringRequest.path(uuid.toString());
 			
-			checkHierarchicalMode(gxHTTPStringRequest);
+			includeAdditionalQueryParameters(gxHTTPStringRequest);
 			
 			HttpURLConnection httpURLConnection = gxHTTPStringRequest.get();
 			String ret = HTTPUtility.getResponse(String.class, httpURLConnection);