diff --git a/alfa-service/src/main/java/de/ozgcloud/alfa/collaboration/OrganisationsEinheitHeader.java b/alfa-service/src/main/java/de/ozgcloud/alfa/collaboration/OrganisationsEinheitHeader.java
new file mode 100644
index 0000000000000000000000000000000000000000..54cecbadabe07369ca89a870903357e323a688a1
--- /dev/null
+++ b/alfa-service/src/main/java/de/ozgcloud/alfa/collaboration/OrganisationsEinheitHeader.java
@@ -0,0 +1,5 @@
+package de.ozgcloud.alfa.collaboration;
+
+public class OrganisationsEinheitHeader {
+
+}
diff --git a/alfa-service/src/main/java/de/ozgcloud/alfa/collaboration/OrganisationsEinheitRemoteService.java b/alfa-service/src/main/java/de/ozgcloud/alfa/collaboration/OrganisationsEinheitRemoteService.java
new file mode 100644
index 0000000000000000000000000000000000000000..0edd79e22fd92825750e823d247357a11c183a6d
--- /dev/null
+++ b/alfa-service/src/main/java/de/ozgcloud/alfa/collaboration/OrganisationsEinheitRemoteService.java
@@ -0,0 +1,12 @@
+package de.ozgcloud.alfa.collaboration;
+
+import java.util.stream.Stream;
+
+class OrganisationsEinheitRemoteService {
+
+	public Stream<OrganisationsEinheitHeader> search(String searchBy) {
+		// TODO Auto-generated method stub
+		throw new UnsupportedOperationException("Unimplemented method 'search'");
+	}
+
+}