diff --git a/v2_0_0/CDT-commonTypes-v2_0_0.xsd b/v2_0_0/CDT-commonTypes-v2_0_0.xsd
index 02b37d732872e424c585908649de12b6d3b62699..4e2c999ba213737c5b7eacd753b3158e030224f6 100644
--- a/v2_0_0/CDT-commonTypes-v2_0_0.xsd
+++ b/v2_0_0/CDT-commonTypes-v2_0_0.xsd
@@ -233,6 +233,9 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
 		</xs:restriction> 
 	</xs:simpleType>
 
+	<xs:simpleType name="listOfDuration">
+		<list itemType="xs:duration" />
+	</xs:simpleType>
 
 	<!--********************** -->
 	<!-- oneM2M Complex Types -->
diff --git a/v2_0_0/CDT-locationPolicy-v2_0_0.xsd b/v2_0_0/CDT-locationPolicy-v2_0_0.xsd
index d2f17f6825d4bf1e09721e33c0d391bf401d95f7..f7b19767e3c2b45a685b3901e853c2a2945a4688 100644
--- a/v2_0_0/CDT-locationPolicy-v2_0_0.xsd
+++ b/v2_0_0/CDT-locationPolicy-v2_0_0.xsd
@@ -38,7 +38,7 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
 					<xs:sequence>
 						<!-- Resource Specific Attributes -->
 						<xs:element name="locationSource" type="m2m:locationSource" />
-						<xs:element name="locationUpdatePeriod" type="xs:duration" minOccurs="0" />
+						<xs:element name="locationUpdatePeriod" type="m2m:listOfDuration" minOccurs="0" />
 						<xs:element name="locationTargetID" type="m2m:nodeID" minOccurs="0" />
 						<xs:element name="locationServer" type="xs:anyURI" minOccurs="0" />
 						<xs:element name="locationContainerID" type="xs:anyURI" minOccurs="0" />
@@ -66,7 +66,7 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
 					<xs:sequence>
 						<!-- Resource Specific Attributes -->
 						<xs:element name="locationSource" type="m2m:locationSource" minOccurs="0" />
-						<xs:element name="locationUpdatePeriod" type="xs:duration" minOccurs="0" />
+						<xs:element name="locationUpdatePeriod" type="m2m:listOfDuration" minOccurs="0" />
 						<xs:element name="locationTargetID" type="m2m:nodeID" minOccurs="0" />
 						<xs:element name="locationServer" type="xs:anyURI" minOccurs="0" />
 						<xs:element name="locationContainerID" type="xs:anyURI" minOccurs="0" />