diff --git a/103707/TS_103_707.xsd b/103707/TS_103_707.xsd
index f80e1cfc0d903c3f90982c5855c414d798a4bfc7..b3594acd12fc432d0736175308ef759882357715 100644
--- a/103707/TS_103_707.xsd
+++ b/103707/TS_103_707.xsd
@@ -93,9 +93,10 @@
             <xs:element name="contentLength" type="xs:nonNegativeInteger" minOccurs="0"/>
             <xs:element name="contentType" type="etsi103280:LongString" minOccurs="0"/>
             <xs:element name="expiry" type="etsi103280:QualifiedMicrosecondDateTime" minOccurs="0"/>
-            <xs:element name="checksum" type="etsi103280:LongString" minOccurs="0"/>
+            <xs:element name="checksum" type="Checksum" minOccurs="0"/>
             <xs:element name="originalFilename" type="etsi103280:LongString" minOccurs="0"/>
             <xs:element name="cspDefinedIdentifier" type="etsi103280:LongString" minOccurs="0"/>
+            <xs:element name="checksumType" type="ChecksumType" minOccurs="0"/>
             <xs:element name="checksums" type="ListOfChecksumAndType" minOccurs="0"/>
         </xs:sequence>
     </xs:complexType>
@@ -106,10 +107,16 @@
     </xs:complexType>
     <xs:complexType name="ChecksumAndType">
         <xs:sequence>
-            <xs:element name="Checksum" type="etsi103280:ShortString"/>
-            <xs:element name="ChecksumType" type="etsi103280:ShortString"/>
+            <xs:element name="Checksum" type="Checksum"/>
+            <xs:element name="ChecksumType" type="ChecksumType"/>
         </xs:sequence>
     </xs:complexType>
+    <xs:simpleType name="Checksum">
+        <xs:restriction base="etsi103280:LongString"/>
+    </xs:simpleType>
+    <xs:simpleType name="ChecksumType">
+        <xs:restriction base="etsi103280:ShortString"/>
+    </xs:simpleType>
     <!-- ************************************************************************************* -->
     <!-- Glossary (Clause 5.5) -->
     <!-- ************************************************************************************* -->