$ ./violwaiv.pl
  abcd123:
    BALANCE:  -900.00
    CREDIT:  100.00
    DEBIT:  1000.00
    NOTES:  (VIOLATED)
    UKEY:  klmn123
  abcd124:
    BALANCE:  -900.00
    CREDIT:  100.00
    DEBIT:  1000.00
    NOTES:  (VIOLATED)
    UKEY:  klmn124