diff --git a/v2_17_0/CDT-commonTypes-v2_17_0.xsd b/v2_17_0/CDT-commonTypes-v2_17_0.xsd
index 8b5572545f289ae0442b682c90b2e8a7341da5ad..7691caaf497c2e6804bd84df2c165c9997a980bf 100644
--- a/v2_17_0/CDT-commonTypes-v2_17_0.xsd
+++ b/v2_17_0/CDT-commonTypes-v2_17_0.xsd
@@ -1289,6 +1289,7 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
 					<xs:element name="creator" type="m2m:ID" minOccurs="0" />
 					<xs:element name="containerDefinition" type="xs:anyURI" />					
 					<xs:element name="ontologyRef" type="xs:anyURI" minOccurs="0" />
+					<xs:element name="contentSize" type="xs:nonNegativeInteger" />
 				</xs:sequence>	
 				<xs:attribute name="resourceName" type="m2m:resourceName" use="required" />				
 	</xs:complexType>
@@ -1308,6 +1309,7 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
 					<xs:element name="stateTag" type="xs:nonNegativeInteger" minOccurs="0" />
 					<xs:element name="containerDefinition" type="xs:anyURI" />
 					<xs:element name="ontologyRef" type="xs:anyURI" minOccurs="0" />
+					<xs:element name="contentSize" type="xs:nonNegativeInteger" />
 				</xs:sequence>	
 		<xs:attribute name="resourceName" type="m2m:resourceName" use="required" />									
 	</xs:complexType>
diff --git a/v2_17_0/CDT-responsePrimitive-v2_17_0.xsd b/v2_17_0/CDT-responsePrimitive-v2_17_0.xsd
index 2efdb6b3b02d6101915df9c28fec50903155a48d..0d746e907a88b2ce893a1c3d5fb0e22949fdd5f5 100644
--- a/v2_17_0/CDT-responsePrimitive-v2_17_0.xsd
+++ b/v2_17_0/CDT-responsePrimitive-v2_17_0.xsd
@@ -117,7 +117,11 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
   
   <xs:element name="resource" type="m2m:resourceWrapper"  />
   
-  <xs:element name="URIList" type="m2m:listOfURIs"  />
+  <xs:element name="URIList" >
+        <xs:simpleType> 
+          <xs:list itemType="xs:anyURI" /> 
+        </xs:simpleType> 				
+  </xs:element>
   
   <xs:element name="URI" type="xs:anyURI"  />
   
diff --git a/v2_17_0/CDT-statsCollect-v2_17_0.xsd b/v2_17_0/CDT-statsCollect-v2_17_0.xsd
index 9963245e23113b6ba21c7750cf5d6726872c6a64..e13978567d51517e281e0e6bb7374103e3c9fecf 100644
--- a/v2_17_0/CDT-statsCollect-v2_17_0.xsd
+++ b/v2_17_0/CDT-statsCollect-v2_17_0.xsd
@@ -40,7 +40,7 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
 						<!-- Resource Specific Attributes -->
 						<xs:element name="statsCollectID" type="xs:string" />
 						<xs:element name="collectingEntityID" type="m2m:ID" />
-                        <xs:element name="collectedEntityID" type="m2m:ID" />						
+                        <xs:element name="collectedEntityID" type="m2m:listOfM2MID" />						
 						<xs:element name="statsRuleStatus" type="m2m:statsRuleStatusType" />
 						<xs:element name="statModel" type="m2m:statModelType" />
 						<xs:element name="collectPeriod" type="m2m:scheduleEntries" minOccurs="0" />