diff --git a/103120/dictionaries/ts_103120_ETSIDictionaryDefinitions.xml b/103120/dictionaries/ts_103120_ETSIDictionaryDefinitions.xml
index 33fd4f3d746d09034f69b25777bc2b0f53f22ea8..a5c5fb2b204c903bf451aff6f0d635ac4eeefb7b 100644
--- a/103120/dictionaries/ts_103120_ETSIDictionaryDefinitions.xml
+++ b/103120/dictionaries/ts_103120_ETSIDictionaryDefinitions.xml
@@ -354,6 +354,10 @@
                 <Value>Delivered</Value>
                 <Meaning>Traffic that matches the policy is delivered</Meaning>
             </DictionaryEntry>
+            <DictionaryEntry>
+                <Value>Truncate</Value>
+                <Meaning>Deliver only the specified number of the first octets of each datagram</Meaning>
+            </DictionaryEntry>
         </DictionaryEntries>
     </Dictionary>
     <Dictionary>
diff --git a/103120/schema/json/ts_103120_TrafficPolicy.schema.json b/103120/schema/json/ts_103120_TrafficPolicy.schema.json
index 013e0a7dcb9999947aaee41cb852f115fee7d176..9c5791eadab92b2a6535ae205db3f6bfa2e10d58 100644
--- a/103120/schema/json/ts_103120_TrafficPolicy.schema.json
+++ b/103120/schema/json/ts_103120_TrafficPolicy.schema.json
@@ -111,6 +111,9 @@
         },
         "tp:Action": {
           "$ref": "ts_103120_Common_2016_02#/$defs/DictionaryEntry"
+        },
+        "tp:Parameters": {
+          "$ref": "#/$defs/ActionParameters"
         }
       },
       "required": [
@@ -272,6 +275,36 @@
       "required": [
         "tp:CommunicationServiceID"
       ]
+    },
+    "ActionParameters": {
+      "oneOf": [
+        {
+          "type": "object",
+          "properties": {
+            "tp:TruncateActionParameters": {
+              "$ref": "#/$defs/TruncateActionParameters"
+            }
+          },
+          "required": [
+            "tp:TruncateActionParameters"
+          ]
+        }
+      ]
+    },
+    "TruncateActionParameters": {
+      "type": "object",
+      "properties": {
+        "tp:NumberOfOctets": {
+          "type": "integer",
+          "minimum": 0
+        },
+        "tp:ProvideOriginalLength": {
+          "type": "boolean"
+        }
+      },
+      "required": [
+		    "tp:NumberOfOctets"
+	    ]
     }
   }
 }
diff --git a/103120/schema/xsd/ts_103120_TrafficPolicy.xsd b/103120/schema/xsd/ts_103120_TrafficPolicy.xsd
index 0ef26315c17c4ea65c8596d17ad3186461ebe123..4ca56c39c97c1c3a55e73a4746d637a34a10ccfd 100644
--- a/103120/schema/xsd/ts_103120_TrafficPolicy.xsd
+++ b/103120/schema/xsd/ts_103120_TrafficPolicy.xsd
@@ -42,6 +42,7 @@
         <xs:sequence>
             <xs:element name="Criteria" type="ListOfTrafficCriteria" minOccurs="0"/>
             <xs:element name="Action" type="common:DictionaryEntry" minOccurs="0"/>
+            <xs:element name="Parameters" type="ActionParameters" minOccurs="0"/>
         </xs:sequence>
     </xs:group>
     <xs:complexType name="ListOfTrafficCriteria">
@@ -96,4 +97,15 @@
             <xs:element name="CommunicationServiceID" type="etsi:ShortString" minOccurs="1"/>
         </xs:sequence>
     </xs:complexType>
+	<xs:complexType name="ActionParameters">
+		<xs:choice>
+			<xs:element name="TruncateActionParameters" type="TruncateActionParameters"/>
+		</xs:choice>
+	</xs:complexType>
+	<xs:complexType name="TruncateActionParameters">
+		<xs:sequence>
+            <xs:element name="NumberOfOctets" type="xs:nonNegativeInteger"/>
+            <xs:element name="ProvideOriginalLength" type="xs:boolean" minOccurs="0"/>
+		</xs:sequence>
+	</xs:complexType>
 </xs:schema>