CALL FUNCTION 'HR_TAXLOCATOR_US_90'
          EXPORTING                                        
            RFC_DESTINATION = 'BSI90-US-TXL'   
            EMP_INPUT = EMPLOYEE_INPUT
          IMPORTING
            EMP_OUTPUT = EMPLOYEE_INPUT
          TABLES
            LOCATION_INPUT = LOCATION_DATA
            TAX_OUTPUT = TAX_DATA
            MSG_OUTPUT = MESSAGE_DATA
          EXCEPTIONS
            COMMUNICATION_FAILURE = 1