SELECT PARTY_ID , PARTY_NUMBER , PARTY_NAME FROM HZ_PARTIES WHERE AHL_DI_DOC_INDEX_PVT.GET_PRODUCT_INSTALL_STATUS('PO') IN ('N' , 'L') UNION SELECT VENDOR_ID , SEGMENT1 , VENDOR_NAME FROM PO_VENDORS WHERE AHL_DI_DOC_INDEX_PVT.GET_PRODUCT_INSTALL_STATUS('PO') IN ('I' , 'S')