Figure 4: DDS for the CUSTMAS file

     A                                      UNIQUE
     A          R CUSTMASF
     A            CUSTNO         4S 0
     A            NAME          25A
     A            COMPANY       25A
     A            ADDRESS1      30A
     A            ADDRESS2      30A
     A            CITY          13A
     A            STATE          2A
     A            ZIP            5A
     A            ZIP4           4A
     A          K CUSTNO