Receipt vs. invoice: the difference matters
Invoices and receipts are frequently confused, but they solve opposite problems. An invoice is a request for payment — it lists what is owed and when it is due. A receipt is a confirmation of payment — it records that the money has already been transferred. The same transaction typically produces both documents: first the invoice, then the receipt once the invoice is paid.
In accounting terms, an invoice creates an accounts-receivable entry and a receipt closes it. If you skip the receipt, your books show an open invoice indefinitely, even after the cash has arrived. That is why a disciplined receipt workflow is essential for accurate financial reporting, especially for cash-heavy businesses.
For consumers, the receipt is what unlocks returns, warranty claims and expense reimbursement. For businesses, it is the document that satisfies auditors that revenue was actually collected. Both need to be legible, dated, and traceable to a specific transaction.