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What Is a Tax Invoice? (US, UK, Australia & Canada)

Tax · Free BizDoc · Oct 30, 2026

A tax invoice is an invoice that clearly shows the tax charged on a sale, along with the seller’s tax registration number. Registered businesses issue tax invoices so the buyer can reclaim the tax and both sides have a proper record.

What makes an invoice a “tax invoice”

On top of the usual invoice details, a tax invoice shows the tax amount (often broken out per rate) and the seller’s tax ID (VAT number, ABN, GST/HST number, etc.). That is what lets a registered buyer claim the tax back.

By country

Do you need to issue one?

If you are registered for VAT/GST (or charging sales tax), you generally need to issue a tax invoice when you make a taxable sale. If you are not registered, you issue an ordinary invoice with no tax line.

Create a tax invoice free — pick your country and the tax is built in.

Frequently asked questions

What is the difference between an invoice and a tax invoice?

A tax invoice additionally shows the tax charged and the seller’s tax registration number, so a registered buyer can reclaim the tax. A plain invoice need not show those.

Do I need to issue a tax invoice?

If you are registered for VAT/GST or charging sales tax, you generally must issue a tax invoice for taxable sales. If you are not registered, you issue an ordinary invoice with no tax.

What must a tax invoice show?

The usual invoice details plus the tax amount (often per rate) and your tax ID — VAT number, ABN, or GST/HST number depending on the country.

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