A tax invoice is an invoice that contains the information a tax system requires to document a taxable supply and, where permitted, support the buyer's input tax credit.
Use the tax-invoice form required by the country and transaction value, and distinguish full, simplified and special cases before automating the layout.
What a tax invoice must establish
A tax invoice must let the tax authorities and the customer identify the supplier, recipient where required, supply, date, taxable base, tax rate, amount of tax, currency, and total. Many GST and VAT systems also require a unique invoice number and the supplier’s tax registration number. Some systems allow a simplified invoice below a value threshold and require a fuller record above it.
| Record | What it proves | Can it support an input tax credit? |
|---|---|---|
| Ordinary invoice | That a seller billed goods or services | Only if it also satisfies the applicable tax laws and tax invoice requirements |
| Tax invoice | The details of a taxable supply under a specific regime | Potentially, when the buyer, purchase, use, timing, and evidence meet the local rules |
| Receipt | That payment was made or received | Not automatically. A receipt may omit required tax information |
| Bill of supply or exempt-sale record | A supply for which the jurisdiction uses a different document | Usually not as a standard taxable-purchase invoice, but local rules control |
There is no universal sales tax, VAT, or GST template. The words input tax and input tax credit mean different things across systems, and the right to recover tax can fail even when the tax amount is printed correctly. Check the current authority guidance for the seller’s country and, for cross-border services or goods, the place-of-supply and import rules as well.
Check the supplier and the transaction
Start with the supplier registration and the place of supply, then choose the applicable invoice format. An ordinary receipt is not automatically sufficient for the buyer to recover tax. Where a correction is needed, retain the original document and obtain the appropriate revised invoice or credit record. The examples below describe the information to check, not a universal tax treatment.
Example
A VAT-registered supplier shows its registration number, invoice date, unique number, buyer details where required, taxable amount, tax rate, tax amount and total.
What to watch for
There is no universal tax-invoice template. GST, VAT and sales-tax rules differ, so a visually correct invoice can still be invalid for tax purposes.
Put the next step into practice
Read our guide to purchase orders, invoices and bills for the related workflow. Explore Invoice Crowd invoicing to see the product capabilities relevant to your setup.
Source and review date
GOV.UK: invoices and VAT invoices – what they must include. Source review recorded: 13 August 2026. This is one jurisdiction-specific example, not a universal template. Confirm the current tax-authority rules that apply to the seller and transaction.
