A pro forma invoice is a preliminary document sent to a buyer before goods are shipped or services are delivered. It outlines the expected items, quantities, prices and terms of a planned transaction – giving the buyer a detailed preview of what the final invoice will look like. A pro forma invoice is not a demand for payment and is not recorded as revenue. It is widely used in international trade for customs declarations, in domestic business to secure prepayment and as a formal price commitment before a sale is finalized.
What should a pro forma invoice include?
Because a pro forma invoice often serves as the basis for customs valuation, buyer budgeting or prepayment arrangements, it should mirror the detail of a final invoice as closely as possible.
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A pro forma invoice is not a tax document, not an accounting record and not a demand for payment. It should never be booked as revenue or used as a substitute for a final invoice. Once the transaction is completed, always issue a proper invoice for the actual amount
When and why is a pro forma invoice used?
A pro forma invoice bridges the gap between a price agreement and the final invoice. It is used in a wide range of situations, both domestic and international:
International trade and customs – Customs authorities use the pro forma invoice to assess duties and taxes on imported goods. It must include an accurate description, value, HS codes and country of origin. US Customs and Border Protection (CBP) may require a pro forma invoice when a commercial invoice is not yet available at the time of import.
Prepayment requests – When the seller requires full payment before shipping, the pro forma invoice tells the buyer exactly what to pay and how. The buyer uses it to arrange the bank transfer or letter of credit.
New client relationships – Before extending credit to a first-time buyer, a pro forma invoice sets out the terms clearly and ensures both parties agree on scope, pricing and payment before work begins.
Internal approvals and budgeting – Corporate buyers often need a document that resembles an invoice to secure budget approval or create a purchase order. A pro forma invoice gives their finance team the detail they need without triggering a payable.
Securing financing or letters of credit – Banks and trade finance providers may require a pro forma invoice as part of the documentation for issuing a letter of credit or approving trade financing.
Use a separate number series – keep pro forma invoices in a distinct sequence (PF-001, PF-002) so they are never confused with final invoices in your records.
Always include a validity period – material costs, exchange rates and shipping rates fluctuate. Without an expiration date, a buyer could accept a pro forma months later when your costs have increased.
Reference the pro forma on the final invoice – when you issue the commercial invoice, include the pro forma number. This makes reconciliation easy for both parties.
For exports, include HS codes and Incoterms – customs will assess duties based on the information in the pro forma. Missing or inaccurate codes can delay clearance and result in higher duties.
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