diff --git a/src/org/kar/archidata/filter/CORSFilter.java b/src/org/kar/archidata/filter/CORSFilter.java
index 5344854..d36e094 100644
--- a/src/org/kar/archidata/filter/CORSFilter.java
+++ b/src/org/kar/archidata/filter/CORSFilter.java
@@ -21,6 +21,7 @@ public class CORSFilter implements ContainerResponseFilter {
 		response.getHeaders().add("Access-Control-Allow-Headers",
 				"Origin, content-type, Content-type, Accept, Authorization, mime-type, filename, Range");
 		response.getHeaders().add("Access-Control-Allow-Credentials", "true");
-		response.getHeaders().add("Access-Control-Allow-Methods", "GET, POST, PUT, PATCH, DELETE, OPTIONS, HEAD");
+		response.getHeaders().add("Access-Control-Allow-Methods",
+				"GET, POST, PUT, PATCH, DELETE, ARCHIVE, RESTORE, OPTIONS, HEAD");
 	}
 }
diff --git a/src/resources/rest-tools.ts b/src/resources/rest-tools.ts
index fbd143d..d269ed7 100644
--- a/src/resources/rest-tools.ts
+++ b/src/resources/rest-tools.ts
@@ -252,9 +252,14 @@ export function RESTRequest({
   if (restModel.accept !== undefined) {
     headers["Accept"] = restModel.accept;
   }
-  if (restModel.requestType !== HTTPRequestModel.GET) {
+  if (restModel.requestType !== HTTPRequestModel.GET &&
+	restModel.requestType !== HTTPRequestModel.ARCHIVE &&
+	restModel.requestType !== HTTPRequestModel.RESTORE
+  ) {
     // if Get we have not a content type, the body is empty
-    if (restModel.contentType !== HTTPMimeType.MULTIPART) {
+    if (restModel.contentType !== HTTPMimeType.MULTIPART &&
+	  restModel.contentType !== undefined
+	) {
       // special case of multi-part ==> no content type otherwise the browser does not set the ";bundary=--****"
       headers["Content-Type"] = restModel.contentType;
     }