[ibr-tdd-20] The scheme identifier (TDT-014-1) attribute of Receiving party (TDG-06) endpoint ID (TDT-014) MUST be present and MUST refer to an SPID ('0242').
ibr-tdd-20/pxs:TaxData/pxs:ReceivingPartyexists(cbc:EndpointID/@schemeID) and cbc:EndpointID/@schemeID = '0242'