All guides

Receipt vs invoice: what is the difference?

An invoice asks to be paid. A receipt confirms that payment was received. The two are often confused because they list the same items and amounts, but they do different jobs, are issued at different times and have different rules attached.

Last reviewed: 2026-10-25

The short answer

What an invoice is for

An invoice is a request for payment. It tells the customer what they owe, by when and how to pay. For businesses it is also a tax document: in the UK, for example, a VAT-registered business must issue a VAT invoice to another VAT-registered customer, and HMRC lists exactly what it must show (a sequential number, the time of supply, both parties' details, your VAT number, each item with its VAT rate and the totals). Across the EU, national rules set similar requirements; our guide to what an invoice must include in each country compares six of them.

Because an invoice is issued before the money arrives, it carries a due date and payment terms. Once it is paid, the invoice itself does not change. Many businesses mark it as paid in their records or send a receipt.

What a receipt is for

A receipt is evidence that a payment happened. It is the customer's proof that they paid, and the seller's record of income. It should say who received the money and from whom, the date, what the payment was for, the amount, and how it was paid (cash, card, bank transfer). A receipt number helps you trace it later.

Receipts matter most where there is no other trace of the payment, which is why they are especially important for cash. The US tax authority, for example, lists receipt books, cash register tapes and invoices among the supporting documents for a business's gross receipts, and cash register tape receipts, credit card receipts and invoices as supporting documents for purchases and expenses. It also notes that a combination of documents may be needed to substantiate a purchase or expense.

Do you need both?

Often, yes, but not always:

• Business-to-business work on credit (you deliver now, the client pays in 30 days): send an invoice. A receipt afterwards is optional; the bank transfer and the paid invoice are usually enough evidence.
• Payment on the spot (a shop, a market stall, a taxi): the receipt is normally the only document. Some countries require it to come from a registered till or fiscal device, and for higher amounts or VAT recovery a business customer may need a proper (or simplified) invoice instead.
• Deposits, rent and private payments: a receipt is the natural document. A landlord or a private seller who is not running a VAT-registered business usually issues a receipt, not an invoice. See the rent receipt example.
• Paid in advance, then invoiced: some businesses take payment and issue an invoice marked "paid". That single document then acts as both.

Simplified invoices: the middle ground

Several countries allow a shorter invoice for small amounts, which looks very much like a detailed receipt. In the UK, HMRC allows a simplified VAT invoice for supplies of £250 or less. In Germany a Kleinbetragsrechnung up to €250 gross needs only the supplier's name and address, the date, the quantity and type of supply, and the gross amount with the tax rate (§ 33 UStDV). In Spain, a factura simplificada is allowed up to €400 including VAT (Real Decreto 1619/2012, art. 4). These are still invoices in law, even when they are printed at a till.

A worked example

A web designer agrees a fee of 900.00 plus 20% tax with a client.

1. On 31 October she sends invoice 2026-014 for 900.00 + 180.00 tax = 1,080.00, due 30 November, with her bank details in the notes.
2. On 12 November the client pays 1,080.00 by bank transfer.
3. If the client asks for one, she sends receipt RCT-2026-031: "Received from Northwind Studio Ltd, 1,080.00, bank transfer, 12 November 2026, payment of invoice 2026-014".

The receipt refers to the invoice number, so anyone checking the books can link the two documents. The receipt does not add tax again: it records the amount actually paid.

Common mix-ups

• Calling an unpaid bill a receipt. If you have not been paid yet, it is an invoice (or a quote, if the work has not started).
• Issuing a receipt for a payment that bounced. Wait until the money has cleared.
• Using a receipt where the buyer needs a VAT invoice. A business customer reclaiming VAT generally needs a valid VAT invoice (or a simplified invoice under the limit).
• Numbering receipts and invoices in the same series. Keep separate sequences, for example INV-… and RCT-…, so each series stays unbroken.

Keeping records

Whichever document you issue, keep a copy. In the UK, VAT records must generally be kept for at least six years. QuickPaperwork does not store your documents, so download each PDF and file it with your accounts.

Create a receipt

Frequently asked questions

Sources: GOV.UK — Invoices: what they must include · GOV.UK — VAT Notice 700/21 · IRS — What kind of records should I keep · § 33 UStDV · BOE — Real Decreto 1619/2012