diff --git a/104144/schema/xsd/ts_104144_EPOCAdditionalInfo.xsd b/104144/schema/xsd/ts_104144_EPOCAdditionalInfo.xsd
index 0c671832eb8a39b12d1e0dd9e4ad40509ead7dde..3c807449af692c8fcb51434d6affa71ce9fa552c 100644
--- a/104144/schema/xsd/ts_104144_EPOCAdditionalInfo.xsd
+++ b/104144/schema/xsd/ts_104144_EPOCAdditionalInfo.xsd
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:etsi="http://uri.etsi.org/03280/common/2017/07" xmlns:core="http://uri.etsi.org/03120/common/2019/10/Core" xmlns="http://uri.etsi.org/03120/common/2025/06/EPOCAdditionalInfo" targetNamespace="http://uri.etsi.org/03120/common/2025/06/EPOCAdditionalInfo" elementFormDefault="qualified" attributeFormDefault="unqualified">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:etsi="http://uri.etsi.org/03280/common/2017/07" xmlns:common="http://uri.etsi.org/03120/common/2016/02/Common" xmlns:core="http://uri.etsi.org/03120/common/2019/10/Core" xmlns="http://uri.etsi.org/03120/common/2025/06/EPOCAdditionalInfo" targetNamespace="http://uri.etsi.org/03120/common/2025/06/EPOCAdditionalInfo" elementFormDefault="qualified" attributeFormDefault="unqualified">
     <xs:import namespace="http://uri.etsi.org/03120/common/2019/10/Core"/>
+    <xs:import namespace="http://uri.etsi.org/03120/common/2016/02/Common"/>
     <xs:import namespace="http://uri.etsi.org/03280/common/2017/07"/>
     <xs:complexType name="EPOCAdditionalInfo">
         <xs:complexContent>
@@ -16,4 +17,56 @@
             <xs:any maxOccurs="unbounded" processContents="lax"/>
         </xs:sequence>
     </xs:complexType>
+    <xs:complexType name="EPOCAuthorisationParameters">
+        <xs:complexContent>
+            <xs:extension base="core:HI1Object">
+                <xs:sequence>
+                    <xs:element name="UnderlyingConditions" type="UnderlyingConditions" minOccurs="0"/>
+                    <xs:element name="RelatedRequestDetails" type="RelatedRequestDetails" minOccurs="0"/>
+                </xs:sequence>
+            </xs:extension>
+        </xs:complexContent>
+    </xs:complexType>
+    <xs:complexType name="UnderlyingConditions">
+        <xs:sequence>
+            <xs:element name="UnderlyingConditions" type="ListOfUnderlyingConditions" minOccurs="0"/>
+            <xs:element name="OffenseClassification" type="etsi:LongString"/>
+            <xs:element name="AdditionalUnderlyingConditionsInformation" type="etsi:LongString" minOccurs="0"/>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:complexType name="ListOfUnderlyingConditions">
+        <xs:sequence>
+            <xs:element name="UnderlyingCondition" type="common:DictionaryEntry" minOccurs="0" maxOccurs="unbounded"/>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:complexType name="RelatedRequestDetails">
+        <xs:sequence>
+            <xs:element name="RelatedRequests" type="ListOfRelatedRequests" minOccurs="0"/>
+            <xs:element name="OtherInformation" type="etsi:LongString" minOccurs="0"/>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:complexType name="ListOfRelatedRequests">
+        <xs:sequence>
+            <xs:element name="RelatedRequest" type="RelatedRequest" minOccurs="0" maxOccurs="unbounded"/>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:complexType name="RelatedRequest">
+        <xs:sequence>
+            <xs:element name="RequestInBand" type="xs:boolean"/>
+            <xs:element name="InstrumentType" type="common:DictionaryEntry" minOccurs="0"/>
+            <xs:element name="ExternalIdentifier" type="etsi:LongString" minOccurs="0"/>
+            <xs:element name="IssuerDetails" type="RelatedRequestPartyInformation" minOccurs="0"/>
+            <xs:element name="AddresseeDetails" type="RelatedRequestPartyInformation" minOccurs="0"/>
+            <xs:element name="CompetentAuthorityDetails" type="RelatedRequestPartyInformation" minOccurs="0"/>
+            <xs:element name="IssuedOn" type="etsi:QualifiedDateTime" minOccurs="0"/>
+            <xs:element name="TransmittedOn" type="etsi:QualifiedDateTime" minOccurs="0"/>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:complexType name="RelatedRequestPartyInformation">
+        <xs:sequence>
+            <xs:element name="TechnicalIdentifier" type="core:EndpointID" minOccurs="0"/>
+            <xs:element name="Name" type="etsi:LongString" minOccurs="0"/>
+            <xs:element name="FileNumber" type="etsi:LongString" minOccurs="0"/>
+        </xs:sequence>
+    </xs:complexType>
 </xs:schema>
\ No newline at end of file