Suggestion:
System has the provision to change cheque number used in payment (PAYMENT VOUCHER).
Cheque number change menu exists in Finance -> Payable-> Payments -> Cheque no. Change.
Users can change the cheque number by following steps:
1) Users have to select a ref-series relevant to the PDC used in payment against voucher.
2) Then payment id needs to be selected where the cheque is used.
3) System populates the bank details with old cheque numbers, date, sundry code, site and amount.
4) Users then have to enter the new cheque number. And finish the transaction.