To delete a Material Purchase Bill, follow these steps:

1. Select the Bill:
   Go to the Material Purchase Bill form [1269] and select the record you wish to delete.

2. Ensure Voucher Is Not Posted:
   If the bill has already been posted in accounts, you must first delete the associated voucher.

3. Delete the Voucher:
   Navigate to Voucher Trace [547] and delete the corresponding voucher entry.

4. Delete the Bill:
   Once the voucher is deleted, return to the Material Purchase Bill [1269] form and click the Delete button to remove the bill.