diff --git a/response-example.xml b/response-example.xml
index a15d9e3..9bcf8e1 100644
--- a/response-example.xml
+++ b/response-example.xml
@@ -6,6 +6,6 @@
         https://raw.githubusercontent.com/erasmus-without-paper/ewp-specs-api-course-replication/stable-v1/response.xsd
     "
 >
-    <los-id>MA100</los-id>
-    <los-id>STAVH</los-id>
+    <los-id>CR/MA100</los-id>
+    <los-id>CR/STAVH</los-id>
 </course-replication-response>
diff --git a/response.xsd b/response.xsd
index 72da312..21ab915 100644
--- a/response.xsd
+++ b/response.xsd
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <xs:schema
     xmlns:xs="http://www.w3.org/2001/XMLSchema"
+    xmlns:course="https://github.com/erasmus-without-paper/ewp-specs-api-courses/tree/master"
     xmlns:xml="http://www.w3.org/XML/1998/namespace"
     elementFormDefault="qualified"
 
@@ -9,6 +10,11 @@
 >
     <!-- WRTODO: Replace all occurrences of 'master' (in all projects) with 'stable-v1' upon release. -->
 
+    <xs:import
+        schemaLocation="../ewp-specs-api-courses/response.xsd"
+        namespace="https://github.com/erasmus-without-paper/ewp-specs-api-courses/tree/master"
+    /> <!-- WRTODO: absolute paths! -->
+
     <xs:annotation>
         <xs:documentation>
             This schema is a part of the Erasmus Without Paper project. Before you start
@@ -27,7 +33,7 @@
         </xs:annotation>
         <xs:complexType>
             <xs:sequence>
-                <xs:element name="los-id" minOccurs="0" maxOccurs="unbounded" type="xs:string">
+                <xs:element name="los-id" minOccurs="0" maxOccurs="unbounded" type="course:LosID">
                     <xs:annotation>
                         <xs:documentation>
                             The list of identifiers (results for the client's query). Each of those