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Tax Invoice Format

A tax invoice is the document that carries GST and lets your client claim input credit. Fill it in below.

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What makes it a tax invoice

  • Your business name, address and GSTIN
  • The buyer's name, address and GSTIN if they are registered
  • A unique invoice number, continuous through the financial year, up to 16 characters
  • The date of issue
  • HSN code for goods, or SAC code for services
  • Description, quantity, unit and rate for each line
  • Taxable value, then tax rate and tax amount shown separately
  • Total in figures, and the amount in words
  • Place of supply, if it differs from the buyer address
  • Signature or digital signature of the supplier

When to raise it

The tax invoice is raised at the time of supply, not before. If you are collecting money in advance, send a proforma instead — raising a tax invoice early moves the GST liability into a month where the work has not happened.

Common mistakes

  • Raising it early to collect an advance
  • Mixing tax invoice and proforma numbering
  • Wrong tax split for the place of supply
  • No HSN or SAC where it is required

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Questions

Can I restart invoice numbers in the middle of the year?
No. Under GST the series has to run continuously through the financial year, April to March. You can start a fresh series on 1 April. Restarting mid-year is one of the first things an auditor questions.
What is the difference between a tax invoice and a proforma?
The tax invoice is the actual demand, it creates GST liability and supports your client's input credit. A proforma is an offer issued before supply and does neither.
Is this really free?
Yes. Every document type, all eight templates and unlimited documents are free, and you do not need an account to make your first one.

This page is general information, not tax or legal advice. Rules change and what applies depends on your business — confirm anything important with your CA.