diff --git a/102657/RDMessage.asn b/102657/RDMessage.asn
index df26aaf28a59660a7aa857679a42500ac01b20e3..3610a07dfcf6affbab0a9c062f7e196e111c921b 100644
--- a/102657/RDMessage.asn
+++ b/102657/RDMessage.asn
@@ -2449,29 +2449,37 @@ EdgeComputingApplicationBillingRecords ::= SEQUENCE
 
 DigitalTokenIdentifier ::= SEQUENCE
 {
-    baseRecord                  [1] BaseRecord,
-    forkRecord                  [2] ForkRecord,
-    informativeDataElements     [3] InformativeDataElements,
+    baseRecord                  [1] BaseRecord OPTIONAL,
+        -- NOTE - as of v2.5.1, this field has been changed from mandatory to optional.
+    forkRecord                  [2] ForkRecord OPTIONAL,
+        -- NOTE - as of v2.5.1, this field has been changed from mandatory to optional.
+    informativeDataElements     [3] InformativeDataElements OPTIONAL,
+        -- NOTE - as of v2.5.1, this field has been changed from mandatory to optional.
     ...
 }
-
 BaseRecord ::= OCTET STRING
 
 ForkRecord ::= OCTET STRING
 
 InformativeDataElements ::= SEQUENCE
 {
-    digitalTokenName                        [1] DigitalTokenName,
-    tokenIdentifierType                     [2] TokenIdentifierType,
-    dTIRegistrationAuthorityIdentifier      [3] DTIRegistrationAuthorityIdentifier,
-    otherDataElements                       [4] OtherDataElements,
+    digitalTokenName                        [1] DigitalTokenName OPTIONAL,
+        -- NOTE - as of v2.5.1, this field has been changed from mandatory to optional.
+    tokenIdentifierType                     [2] TokenIdentifierType OPTIONAL,
+        -- NOTE - as of v2.5.1, this field has been changed from mandatory to optional.
+    dTIRegistrationAuthorityIdentifier      [3] DTIRegistrationAuthorityIdentifier OPTIONAL,
+        -- NOTE - as of v2.5.1, this field has been changed from mandatory to optional.
+    otherDataElements                       [4] OtherDataElements OPTIONAL,
+        -- NOTE - as of v2.5.1, this field has been changed from mandatory to optional.
     ...
 }
 
 DigitalTokenName::= SEQUENCE
 {
-    digitalTokenLongName            [1] DigitalTokenLongName,
-    digitalTokenShortName           [2] DigitalTokenShortName,
+    digitalTokenLongName            [1] DigitalTokenLongName OPTIONAL,
+        -- NOTE - as of v2.5.1, this field has been changed from mandatory to optional.
+    digitalTokenShortName           [2] DigitalTokenShortName OPTIONAL,
+        -- NOTE - as of v2.5.1, this field has been changed from mandatory to optional.
     ...
 }
 
@@ -2493,8 +2501,8 @@ DigitalTokenShortName ::= SEQUENCE
 
 TokenIdentifierType ::= SEQUENCE
 {
-    digitalTokenIdentifierType      [1] DigitalTokenIdentifierType,
-    digitalLedgerTechnologyType     [2] DigitalLedgerTechnologyType,
+    digitalTokenIdentifierType      [1] DigitalTokenIdentifierType OPTIONAL,
+    digitalLedgerTechnologyType     [2] DigitalLedgerTechnologyType OPTIONAL,
     ...
 }
 
diff --git a/102657/RDMessage.xsd b/102657/RDMessage.xsd
index a52976f6652d67787dff6d19a9ccb5839c31bf6f..4c4cc87c608108a8a970eb9e3d150aa73f527063 100644
--- a/102657/RDMessage.xsd
+++ b/102657/RDMessage.xsd
@@ -3537,9 +3537,9 @@
     </xsd:simpleType>
     <xsd:complexType name="DigitalTokenIdentifier">
         <xsd:sequence>
-            <xsd:element name="baseRecord" type="BaseRecord"/>
-            <xsd:element name="forkRecord" type="ForkRecord"/>
-            <xsd:element name="informativeDataElements" type="InformativeDataElements"/>
+            <xsd:element name="baseRecord" type="BaseRecord" minOccurs="0"/>
+            <xsd:element name="forkRecord" type="ForkRecord" minOccurs="0"/>
+            <xsd:element name="informativeDataElements" type="InformativeDataElements" minOccurs="0"/>
         </xsd:sequence>
     </xsd:complexType>
     <xsd:simpleType name="BaseRecord">
@@ -3550,16 +3550,16 @@
     </xsd:simpleType>
     <xsd:complexType name="InformativeDataElements">
         <xsd:sequence>
-            <xsd:element name="digitalTokenName" type="DigitalTokenName"/>
-            <xsd:element name="tokenIdentifierType" type="TokenIdentifierType"/>
-            <xsd:element name="dTIRegistrationAuthorityIdentifier" type="DTIRegistrationAuthorityIdentifier"/>
-            <xsd:element name="otherDataElements" type="OtherDataElements"/>
+            <xsd:element name="digitalTokenName" type="DigitalTokenName" minOccurs="0"/>
+            <xsd:element name="tokenIdentifierType" type="TokenIdentifierType" minOccurs="0"/>
+            <xsd:element name="dTIRegistrationAuthorityIdentifier" type="DTIRegistrationAuthorityIdentifier" minOccurs="0"/>
+            <xsd:element name="otherDataElements" type="OtherDataElements" minOccurs="0"/>
         </xsd:sequence>
     </xsd:complexType>
     <xsd:complexType name="DigitalTokenName">
         <xsd:sequence>
-            <xsd:element name="digitalTokenLongName" type="DigitalTokenLongName"/>
-            <xsd:element name="digitalTokenShortName" type="DigitalTokenShortName"/>
+            <xsd:element name="digitalTokenLongName" type="DigitalTokenLongName" minOccurs="0"/>
+            <xsd:element name="digitalTokenShortName" type="DigitalTokenShortName" minOccurs="0"/>
         </xsd:sequence>
     </xsd:complexType>
     <xsd:complexType name="DigitalTokenLongName">
@@ -3576,8 +3576,8 @@
     </xsd:complexType>
     <xsd:complexType name="TokenIdentifierType">
         <xsd:sequence>
-            <xsd:element name="digitalTokenIdentifierType" type="DigitalTokenIdentifierType"/>
-            <xsd:element name="digitalLedgerTechnologyType" type="DigitalLedgerTechnologyType"/>
+            <xsd:element name="digitalTokenIdentifierType" type="DigitalTokenIdentifierType" minOccurs="0"/>
+            <xsd:element name="digitalLedgerTechnologyType" type="DigitalLedgerTechnologyType" minOccurs="0"/>
         </xsd:sequence>
     </xsd:complexType>
     <xsd:complexType name="DigitalTokenIdentifierType">