What is proof of export?

It is the documentary evidence that goods physically left a customs territory, such as the EU. Tax authorities require it before a seller can treat a sale as a zero-rated export for VAT. Without it, the sale may be taxed as a domestic supply.

What happens if I cannot provide proof of export?

The tax authority can refuse the zero-rating and treat the sale as a standard domestic supply, meaning VAT becomes due on it. Because you likely did not charge the customer VAT, that liability can fall on you.

How long must I keep proof of export?

Authorities generally require evidence to be obtained within a set time after the sale and retained for several years for inspection. The exact periods vary by jurisdiction, so confirm them with the relevant tax authority or an adviser.

Glossary

Proof of Export

Q: What documents count as proof of export?

Typically a combination: the customs export declaration confirming departure, transport documents such as air waybills, bills of lading or consignment notes, and commercial paperwork like the invoice and packing list. Exact requirements vary by jurisdiction.

Evidence of Export · Export Evidence

Proof of export is the documentary evidence that goods have physically left a customs territory — for example, left the EU or the UK. Tax authorities require this evidence before a seller can treat a sale as a zero-rated export for VAT purposes. Without adequate proof, the sale can be treated as a domestic supply and VAT becomes due.

Last updated: June 2026

Key facts

Proof of export is the evidence that goods actually left the relevant customs territory, not just that they were invoiced for export.
It is the condition for VAT zero-rating on exports — no valid proof, and the tax authority can charge VAT on the sale.
Acceptable evidence typically includes customs export declarations, transport documents and commercial paperwork.
Sellers must usually obtain the evidence within a set time limit and retain it for several years for inspection.

Why proof of export exists

When a business sells goods that are exported out of a customs territory — such as goods leaving the EU, or leaving Great Britain — those sales can generally be zero-rated for VAT. Zero-rating means VAT is charged at 0%, so the customer pays no VAT on the export. This avoids goods being taxed both on leaving one territory and on entering another.

But tax authorities will not simply take the seller's word that an export happened. To prevent goods being sold VAT-free domestically under the guise of export, they require evidence that the goods genuinely left the territory. That evidence is the proof of export. If the seller cannot produce it when asked, the authority can refuse the zero-rating and treat the sale as a normal domestic supply on which VAT is due.

The exact rules and accepted documents vary by jurisdiction, and this is general information rather than tax advice — the specifics should always be confirmed with the relevant tax authority or an adviser. The underlying principle, however, is consistent: zero-rating an export is conditional on holding satisfactory evidence that the goods left.

What typically counts as proof

Proof of export is usually a combination of documents rather than a single certificate. Common evidence includes the official customs export declaration and its confirmation that goods departed, transport documentation such as air waybills, bills of lading or consignment notes, and supporting commercial paperwork like the sales invoice and packing list. Together these establish what was sent, by whom, to where, and that it actually left.

Authorities generally expect the evidence to be obtained within a defined time limit after the sale and retained for a number of years so it can be produced during an inspection or audit. Incomplete or missing documentation is a frequent reason zero-rating is challenged, so keeping a clean, retrievable record per export shipment is important.

Why it matters for marketplace sellers

For sellers shipping cross-border — particularly between the EU and non-EU territories such as the UK after Brexit, or to the rest of the world — proof of export is what allows a sale to be correctly zero-rated rather than carrying domestic VAT. Getting it wrong has direct financial consequences: a missing proof can turn a zero-rated export into a VATable domestic sale, leaving the seller liable for tax they did not collect from the customer.

Because marketplace and fulfilment workflows can move goods across borders in ways the seller does not always handle directly, keeping the export evidence organised per order is a practical necessity. Sellers operating across multiple EU and non-EU channels should treat export documentation as part of order record-keeping, not an afterthought, and confirm the precise requirements with a tax adviser.

Example

An EU seller ships an order to a customer outside the EU and zero-rates the VAT. To support that, they retain the customs export declaration confirming the goods left the EU, the carrier's consignment note showing the international movement, and the commercial invoice and packing list. If the tax authority audits the sale, this bundle is the proof of export that justifies the zero rating.

Why it matters for marketplace sellers

Without valid proof of export, a zero-rated export sale can be reclassified as a domestic supply, leaving you liable for the VAT.
Acceptable evidence is usually a bundle — customs declaration plus transport and commercial documents — kept per shipment.
Authorities impose time limits to obtain the evidence and retention periods to keep it, so export records must be organised and retrievable.
Cross-border marketplace and fulfilment flows can move goods internationally without your direct handling, so export documentation needs deliberate record-keeping.