diff --git a/103120/schema/json/ts_103120_Authorisation.schema.json b/103120/schema/json/ts_103120_Authorisation.schema.json
index 1c9a68ff3b802d056ed59f805808d31b2fed2c8e..942438fab1fce00708ebd1d7d6795daf49ae4a0f 100644
--- a/103120/schema/json/ts_103120_Authorisation.schema.json
+++ b/103120/schema/json/ts_103120_Authorisation.schema.json
@@ -1,12 +1,15 @@
 {
   "$id": "ts_103120_Authorisation_2020_09",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$defs": {
     "AuthorisationObject": {
       "type": "object",
       "properties": {
         "@xsi:type": {
           "type": "string",
-          "enum": "{http://uri.etsi.org/03120/common/2020/09/Authorisation}AuthorisationObject"
+          "enum": [
+            "{http://uri.etsi.org/03120/common/2020/09/Authorisation}AuthorisationObject"
+          ]
         },
         "ObjectIdentifier": {
           "$ref": "ts_103120_Core_2019_10#/$defs/ObjectIdentifier"
@@ -145,4 +148,4 @@
       ]
     }
   }
-}
\ No newline at end of file
+}
diff --git a/103120/schema/json/ts_103120_Common.schema.json b/103120/schema/json/ts_103120_Common.schema.json
index d11b4b4c22cbcf9a3c76619adf6a66da64e1ba8b..c13f91bfdc258a296553f2a6e6bacf8cccda5316 100644
--- a/103120/schema/json/ts_103120_Common.schema.json
+++ b/103120/schema/json/ts_103120_Common.schema.json
@@ -1,5 +1,6 @@
 {
   "$id": "ts_103120_Common_2016_02",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$defs": {
     "ETSIVersion": {
       "allOf": [
@@ -161,4 +162,4 @@
       ]
     }
   }
-}
\ No newline at end of file
+}
diff --git a/103120/schema/json/ts_103120_Core.schema.json b/103120/schema/json/ts_103120_Core.schema.json
index 63e2ad484c3ae7f709be33f17c0a23ec4a2872c8..71e583dc8eba11453ec15518dde835d02cbae382 100644
--- a/103120/schema/json/ts_103120_Core.schema.json
+++ b/103120/schema/json/ts_103120_Core.schema.json
@@ -1,5 +1,6 @@
 {
   "$id": "ts_103120_Core_2019_10",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$defs": {
     "ObjectIdentifier": {
       "$ref": "ts_103280_2017_07#/$defs/UUID"
@@ -603,4 +604,4 @@
     }
   },
   "$ref": "#/$defs/HI1Message"
-}
\ No newline at end of file
+}
diff --git a/103120/schema/json/ts_103120_Delivery.schema.json b/103120/schema/json/ts_103120_Delivery.schema.json
index f87f7f5844d4507a0ee1cc8b5a75a92120f71a13..83629501e4b693f4eb420a6091841efd1bd46829 100644
--- a/103120/schema/json/ts_103120_Delivery.schema.json
+++ b/103120/schema/json/ts_103120_Delivery.schema.json
@@ -1,12 +1,15 @@
 {
   "$id": "ts_103120_Delivery_2019_10",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$defs": {
     "DeliveryObject": {
       "type": "object",
       "properties": {
         "@xsi:type": {
           "type": "string",
-          "enum": "{http://uri.etsi.org/03120/common/2019/10/Delivery}DeliveryObject"
+          "enum": [
+            "{http://uri.etsi.org/03120/common/2019/10/Delivery}DeliveryObject"
+          ]
         },
         "ObjectIdentifier": {
           "$ref": "ts_103120_Core_2019_10#/$defs/ObjectIdentifier"
@@ -229,4 +232,4 @@
     "EmbeddedXMLData": {},
     "EmbeddedJSONData": {}
   }
-}
\ No newline at end of file
+}
diff --git a/103120/schema/json/ts_103120_Document.schema.json b/103120/schema/json/ts_103120_Document.schema.json
index d844092e5afe97138055851e90ffb9c7b0e9dd61..3bc734cac2f658ea69bd37387766b213994aa00f 100644
--- a/103120/schema/json/ts_103120_Document.schema.json
+++ b/103120/schema/json/ts_103120_Document.schema.json
@@ -1,12 +1,15 @@
 {
   "$id": "ts_103120_Document_2020_09",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$defs": {
     "DocumentObject": {
       "type": "object",
       "properties": {
         "@xsi:type": {
           "type": "string",
-          "enum": "{http://uri.etsi.org/03120/common/2020/09/Document}DocumentObject"
+          "enum": [
+            "{http://uri.etsi.org/03120/common/2020/09/Document}DocumentObject"
+          ]
         },
         "ObjectIdentifier": {
           "$ref": "ts_103120_Core_2019_10#/$defs/ObjectIdentifier"
@@ -145,4 +148,4 @@
       ]
     }
   }
-}
\ No newline at end of file
+}
diff --git a/103120/schema/json/ts_103120_Notification.schema.json b/103120/schema/json/ts_103120_Notification.schema.json
index 84fbf046ca455b5e49221c0c268d2d6c345d0cd2..aadb98907307716417a45f3d2093a763ba495032 100644
--- a/103120/schema/json/ts_103120_Notification.schema.json
+++ b/103120/schema/json/ts_103120_Notification.schema.json
@@ -1,12 +1,15 @@
 {
   "$id": "ts_103120_Notification_2016_02",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$defs": {
     "NotificationObject": {
       "type": "object",
       "properties": {
         "@xsi:type": {
           "type": "string",
-          "enum": "{http://uri.etsi.org/03120/common/2016/02/Notification}NotificationObject"
+          "enum": [
+            "{http://uri.etsi.org/03120/common/2016/02/Notification}NotificationObject"
+          ]
         },
         "ObjectIdentifier": {
           "$ref": "ts_103120_Core_2019_10#/$defs/ObjectIdentifier"
@@ -100,4 +103,4 @@
       ]
     }
   }
-}
\ No newline at end of file
+}
diff --git a/103120/schema/json/ts_103120_Task.schema.json b/103120/schema/json/ts_103120_Task.schema.json
index 5bb92ac68d135247223f64027912958dbe924b4a..7df2c44c9f05c65213bf1263c2ec686a8fb93854 100644
--- a/103120/schema/json/ts_103120_Task.schema.json
+++ b/103120/schema/json/ts_103120_Task.schema.json
@@ -1,12 +1,15 @@
 {
   "$id": "ts_103120_Task_2020_09",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$defs": {
     "LITaskObject": {
       "type": "object",
       "properties": {
         "@xsi:type": {
           "type": "string",
-          "enum": "{http://uri.etsi.org/03120/common/2020/09/Task}LITaskObject"
+          "enum": [
+            "{http://uri.etsi.org/03120/common/2020/09/Task}LITaskObject"
+          ]
         },
         "ObjectIdentifier": {
           "$ref": "ts_103120_Core_2019_10#/$defs/ObjectIdentifier"
@@ -372,7 +375,9 @@
       "properties": {
         "@xsi:type": {
           "type": "string",
-          "enum": "{http://uri.etsi.org/03120/common/2020/09/Task}LDTaskObject"
+          "enum": [
+            "{http://uri.etsi.org/03120/common/2020/09/Task}LDTaskObject"
+          ]
         },
         "ObjectIdentifier": {
           "$ref": "ts_103120_Core_2019_10#/$defs/ObjectIdentifier"
@@ -604,7 +609,9 @@
       "properties": {
         "@xsi:type": {
           "type": "string",
-          "enum": "{http://uri.etsi.org/03120/common/2020/09/Task}LPTaskObject"
+          "enum": [
+            "{http://uri.etsi.org/03120/common/2020/09/Task}LPTaskObject"
+          ]
         },
         "ObjectIdentifier": {
           "$ref": "ts_103120_Core_2019_10#/$defs/ObjectIdentifier"
@@ -720,4 +727,4 @@
       "required": []
     }
   }
-}
\ No newline at end of file
+}
diff --git a/103120/schema/json/ts_103120_TrafficPolicy.schema.json b/103120/schema/json/ts_103120_TrafficPolicy.schema.json
index 18bb9cfed8e694aa791d12b671ead4e94e4f8fd4..ef30ccae552f5d30a010ae4b955acb1f4b7e1fed 100644
--- a/103120/schema/json/ts_103120_TrafficPolicy.schema.json
+++ b/103120/schema/json/ts_103120_TrafficPolicy.schema.json
@@ -1,12 +1,15 @@
 {
   "$id": "ts_103120_TrafficPolicy_2022_07",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$defs": {
     "TrafficPolicyObject": {
       "type": "object",
       "properties": {
         "@xsi:type": {
           "type": "string",
-          "enum": "{http://uri.etsi.org/03120/common/2022/07/TrafficPolicy}TrafficPolicyObject"
+          "enum": [
+            "{http://uri.etsi.org/03120/common/2022/07/TrafficPolicy}TrafficPolicyObject"
+          ]
         },
         "ObjectIdentifier": {
           "$ref": "ts_103120_Core_2019_10#/$defs/ObjectIdentifier"
@@ -79,7 +82,9 @@
       "properties": {
         "@xsi:type": {
           "type": "string",
-          "enum": "{http://uri.etsi.org/03120/common/2022/07/TrafficPolicy}TrafficRuleObject"
+          "enum": [
+            "{http://uri.etsi.org/03120/common/2022/07/TrafficPolicy}TrafficRuleObject"
+          ]
         },
         "ObjectIdentifier": {
           "$ref": "ts_103120_Core_2019_10#/$defs/ObjectIdentifier"
@@ -307,4 +312,4 @@
       ]
     }
   }
-}
\ No newline at end of file
+}
diff --git a/utils/translate/SequenceMapping.py b/utils/translate/SequenceMapping.py
index 4dc5c93e8a70c5a68cc753891032789d268c1be4..341ac51469a8b0f9ad5fd0c66ae9c45aac93f277 100644
--- a/utils/translate/SequenceMapping.py
+++ b/utils/translate/SequenceMapping.py
@@ -35,7 +35,7 @@ class SequenceMapping(ComplexTypeMapping):
             # mapped_type['__DESCENDENT_OF__'] = TypeMapping.get_ref_for(xst.base_type, xst.namespaces[''])
             mapped_type['properties']['@xsi:type'] = {
                 "type" : "string",
-                "enum" : xst.name
+                "enum" : [xst.name]
             }
             mapped_type['required'].append('@xsi:type')
         # if xst.abstract: