diff --git a/103221-1/TS_103_221_01.xsd b/103221-1/TS_103_221_01.xsd
index fcf37429e6453e24f1b80306bfec941a67bd14cc..4211ea0b34baf498b34307a368f4da32c6243b4f 100644
--- a/103221-1/TS_103_221_01.xsd
+++ b/103221-1/TS_103_221_01.xsd
@@ -744,6 +744,7 @@
 				<xs:sequence>
 					<xs:element name="typeOfNeIssueMessage" type="TypeOfNeIssueMessage"/>
 					<xs:element name="description" type="xs:string"/>
+					<xs:element name="issueCode" type="xs:integer" minOccurs="0"/>
 				</xs:sequence>
 			</xs:extension>
 		</xs:complexContent>
@@ -754,6 +755,7 @@
 			<xs:enumeration value="Warning"/>
 			<xs:enumeration value="FaultCleared"/>
 			<xs:enumeration value="FaultReport"/>
+			<xs:enumeration value="Alert"/>
 		</xs:restriction>
 	</xs:simpleType>
 	<!-- See section 6.5.4 -->