[CL-07-OM] - Goods or Services identification (BTOM-019) must be provided from the codelist for Item type.
CL-07-OMcac:Item/cac:ItemSpecificationDocumentReference[cbc:ID/@schemeName='MP']/cbc:DocumentTypeCode((not(contains(normalize-space(.), ' ')) and contains(' G S ', concat(' ', normalize-space(.), ' '))))