To configure the bill number format in BUSY, you can follow these steps:
Step 1: Go to Administration and click on configuration.
Step 2: Choose the Voucher Series Configuration option and select the voucher type of which you want to configure the bill number format, such as sale, purchase, etc.
Step 3: Then, select the voucher series and click on Voucher Numbering.
Step 4: Choose the Numbering Type as either Automatic or Manual.
Step 5: After selecting Automatic set the prefix, suffix, and Starting No. as per your needs and click on OK to save the settings.
Note: Take backup of your data before making any changes.