Computer routines to edit input data for the Southwest Regional Laboratory's (SWRL) Financial System are described. The program is responsible for validating input records, generating records for further system processing, and updating the Vendor Master File--a file containing the information necessary to support the accounts payable and receivable routines in the Financial System. The specific editing requirements are presented, and the relationship between data elements and the System's output reports are shown. (Author/DGC)