<xs:complexTypename="HandshakeRequest"xmlns:xs="http://www.w3.org/2001/XMLSchema"><xs:annotation><xs:documentation>Handshake Request.</xs:documentation></xs:annotation><xs:sequence><xs:elementname="EmployerRegistrationNumber"type="pc:employerReg"minOccurs="0"><xs:annotation><xs:documentation>Employer's PAYE Registration Number.</xs:documentation></xs:annotation></xs:element><xs:elementname="AgentTain"type="pc:agentTAIN"minOccurs="0"><xs:annotation><xs:documentation>Tax Advisor Identification Number. Required if Handshake is queried by agent on behalf of employer.</xs:documentation></xs:annotation></xs:element><xs:elementname="SoftwareUsed"type="pr:SoftwareUsed"><xs:annotation><xs:documentation>References to third party software used to Handshake.</xs:documentation></xs:annotation></xs:element></xs:sequence></xs:complexType>