diff --git a/103280/TS_103_280.asn1 b/103280/TS_103_280.asn1
index d384ec866a9ad37d73552de8dd77f3fbeb2e2ec0..30dfc7004c493ac3e88f3ea796e28e1856a50db9 100644
--- a/103280/TS_103_280.asn1
+++ b/103280/TS_103_280.asn1
@@ -95,4 +95,6 @@ IPProtocol ::= INTEGER (0..255)
 
 VLANID ::= INTEGER (0..4095)
 
+ServiceAccessIdentifier ::= UTF8String
+
 END
diff --git a/103280/TS_103_280.schema.json b/103280/TS_103_280.schema.json
index 1d1e0c0b4722abe16fac4714551cb4df9be95faf..696c5a8b8a81948bc9a1b39d2a7dd5ee26508731 100644
--- a/103280/TS_103_280.schema.json
+++ b/103280/TS_103_280.schema.json
@@ -389,6 +389,9 @@
         "etsi280:latitude",
         "etsi280:longitude"
       ]
+    },
+    "ServiceAccessIdentifier": {
+      "type": "string"
     }
   }
 }
diff --git a/103280/TS_103_280.xsd b/103280/TS_103_280.xsd
index 1eb122884223c99806cb466f1d30c1d01e151110..52f79eda91e372ce4aaa7c45e7e68e9adaa388e5 100644
--- a/103280/TS_103_280.xsd
+++ b/103280/TS_103_280.xsd
@@ -278,4 +278,7 @@
             <xs:maxInclusive value="4095"/>
         </xs:restriction>
     </xs:simpleType>
+     <xs:simpleType name="ServiceAccessIdentifier"> 
+        <xs:restriction base="xs:string"/> 
+ </xs:simpleType>
 </xs:schema>