Method: RETRIEVE_TAX_NUMBER
Method: CHECK_VAT_NUMBER
Method: CHECK_TAX_NUMBER
Method: GET_FIELD_UI_PROP
Method: QUERY_BP_TAXNUM
Method: IF_MDG_BS_BP_ACCESS_HANDLER~GET_KEY_FOR_MESSAGE_NAVIGATION
Method: MAP_TAXTYPE_IN
Method: GET_MANUFAC_INFO
Method: IF_FICA_SAFT_DATA~GET_DATA