<?xml version="1.0" encoding="UTF-8"?>
<!--
  Library:           OASIS Universal Business Language (UBL) 2.5 OS
                     http://docs.oasis-open.org/ubl/os-UBL-2.5/
  Release Date:      12 August 2026
  Module:            xsdrt/common/UBL-SignatureAggregateComponents-2.5.xsd
  Generated on:      2026-08-15 15:16z
  Copyright (c) OASIS Open 2026. All Rights Reserved.
-->
<xsd:schema xmlns="urn:oasis:names:specification:ubl:schema:xsd:SignatureAggregateComponents-2"
            xmlns:sac="urn:oasis:names:specification:ubl:schema:xsd:SignatureAggregateComponents-2"
            xmlns:sbc="urn:oasis:names:specification:ubl:schema:xsd:SignatureBasicComponents-2"
            xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2"
            xmlns:xsd="http://www.w3.org/2001/XMLSchema"
            xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
            targetNamespace="urn:oasis:names:specification:ubl:schema:xsd:SignatureAggregateComponents-2"
            elementFormDefault="qualified"
            attributeFormDefault="unqualified"
            version="2.5">
   <xsd:import namespace="urn:oasis:names:specification:ubl:schema:xsd:SignatureBasicComponents-2"
               schemaLocation="UBL-SignatureBasicComponents-2.5.xsd"/>
   <xsd:import namespace="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2"
               schemaLocation="UBL-CommonBasicComponents-2.5.xsd"/>

   <!-- ===== Incorporate W3C signature specification-->
   <xsd:import namespace="http://www.w3.org/2000/09/xmldsig#"
               schemaLocation="UBL-xmldsig1-schema-2.5.xsd"/>

          <xsd:element name="SignatureInformation" type="SignatureInformationType"/>
   <xsd:complexType name="SignatureInformationType">
      <xsd:sequence>
         <xsd:element ref="cbc:ID" minOccurs="0" maxOccurs="1"/>
         <xsd:element ref="sbc:ReferencedSignatureID" minOccurs="0" maxOccurs="1"/>
         <xsd:element ref="ds:Signature" minOccurs="0" maxOccurs="1">
           <xsd:annotation>
               <xsd:documentation>This is a single digital signature as defined by the W3C specification.</xsd:documentation>
           </xsd:annotation>
         </xsd:element>
          </xsd:sequence>
   </xsd:complexType>
</xsd:schema>
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