The difference in one line
An invoice asks for money. A receipt confirms it arrived. Same transaction, two different moments, two different documents.
| Feature | Invoice | Receipt |
|---|---|---|
| Purpose | Requests payment | Confirms payment received |
| Issued | When work is done or goods delivered | When the money arrives |
| Due date | Yes | No — nothing is outstanding |
| Payment method | Not yet known | Recorded — cash, card, transfer |
| Amount shown | Amount owed | Amount actually paid |
| Numbering | Invoice series | Separate receipt series |
| Creates a debt | Yes, it records one | No, it closes one |
| Customer uses it for | Accounts payable, approval, tax reclaim | Proof of payment, expense claims, returns |
When you need both
Most credit transactions produce both, in sequence. You finish the work, issue an invoice with a due date, the customer pays, and you issue a receipt. The invoice is what their accounts department processes; the receipt is what their bookkeeper matches against the bank statement.
When you only need one
- Receipt only. Payment at the point of sale — a shop, a market stall, a call-out paid on the day. Nothing was ever outstanding, so nothing needed to be invoiced.
- Invoice only. A business customer paying by bank transfer on account, where their own remittance advice serves as their record. Issue a receipt anyway if they ask — and always for cash.
Deposits: invoice, receipt, and the final invoice
A deposit is where the two documents most often get muddled. The clean sequence is:
Invoice the deposit
Its own invoice, stating it is a deposit against the agreed work.
Receipt it when paid
Recording the amount, the date and the method.
Invoice the balance at the end
Showing the full value, then the deposit already received as a deduction, then the balance due.
Do it that way and neither side has to reconstruct what happened months later.
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Common mistakes
- Using one number series for both. Keep invoice numbers and receipt numbers separate so a document can never be mistaken for the other type.
- Sending an invoice after payment. Confusing, and occasionally paid twice.
- Leaving the payment method off a receipt. It is the field that makes a receipt useful in a dispute.
- Not receipting partial payments. Show the amount received and the balance outstanding.
- Dating a receipt with the sale date. The receipt date is the payment date.
What about a “paid invoice”?
Marking an invoice PAID is common and often accepted as proof of payment, particularly for small transactions. It is weaker than a receipt, because it does not record when payment arrived or how. If a customer needs proof for an expense claim or a warranty, give them a proper receipt.
Questions
Can one document be both an invoice and a receipt?
For an immediate cash sale, a single document showing the items and confirming payment received is often accepted. Where the two events are separated in time, issue two documents.
Do I have to give a receipt?
In many places a customer is entitled to proof of payment on request, and for cash payments it is strongly advisable regardless. Rules vary — check what applies where you trade.
Which one do I need for my tax return?
As a seller, your invoices record your sales. As a buyer, receipts and purchase invoices support your expenses. Keep both sides.
What is a remittance advice?
A note from the payer saying which invoices a payment covers. It is issued by the customer, not the supplier, and it is not a receipt.
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