Garage invoice formatWhat every garage bill must show.

One bill, one series

Give every bill a number from one series, in order, for the financial year. Do not restart the count at a new month or reuse a cancelled number.

Garage Master numbers bills per garage and financial year, as PREFIX/2627/0001, and freezes the number when the bill is issued.

The header

A bill a customer can check and an accountant can file carries:

• The garage's legal name, address and phone
• The GSTIN, when the garage is registered
• The invoice number and the date
• The customer's name and address
• The customer's GSTIN, when they are registered
• The vehicle registration and the job number
• The place of supply, when the bill carries GST

The lines

Put labour and parts on separate lines, each with its own rate and tax treatment:

• What was done or supplied
• The HSN code for a part, or SAC 998714 for repair labour
• Quantity and unit price
• Any discount, shown on the line
• The taxable value
• The GST rate and amount, when the bill is a tax invoice

Tax or no tax

The document follows the garage's registration, not a choice at the counter. A regular GST garage issues a tax invoice. A composition garage issues a bill of supply with its declaration. A garage with no GSTIN issues a plain bill under its chosen heading.

Keep the tax or non-tax treatment consistent across the series. When the registration changes, start the new treatment on a new bill, never by editing an old one. Confirm the treatment with your accountant.

Payments and the balance

Record each payment against its invoice: cash, UPI, card or bank. A part payment leaves a visible balance, which belongs on the copy the customer takes away.

Show the UPI ID or bank details the customer should use. A bill that says what is still owed is easier to collect than one that only shows the total.

Corrections without rewriting history

An issued bill is a record. Do not edit or delete it. If nothing has been paid, cancel it and keep the number and the reason. If money has been paid, issue a credit note for the part that changed, tied to the original lines.

Garage Master writes every one of these changes to the garage's audit log, so the history stays readable.