Invoice vs Receipt

An invoice and a receipt serve different purposes in a financial transaction. An invoice is a request for payment issued before or at the time of a transaction, while a receipt is confirmation that payment has been made. Though often confused, understanding the distinction is important for proper bookkeeping and tax compliance.

Key Differences

Invoice: Sent by a seller to a buyer requesting payment. Contains payment terms (Net 30, due on receipt, etc.), itemized list of goods or services, and the amount due. An invoice creates an accounts payable obligation for the buyer.

Receipt: Issued after payment is completed. Confirms the amount paid, date of payment, payment method, and what was purchased. A receipt serves as proof of purchase and documentation for expense deductions.

Some documents serve as both — for example, a "paid invoice" or a point-of-sale receipt that includes detailed line items. What matters for accounting and tax purposes is that you have documentation of both what was owed and that it was paid.

Why It Matters

For tax deductions, you generally need a receipt (proof of payment), not just an invoice (proof of obligation). If you only have invoices but no payment confirmation, it may be insufficient during an audit. Conversely, having receipts without invoices can make it harder to verify what the payment was for.

Example

A web developer sends a client a $3,000 invoice for website redesign work. When the client pays via bank transfer, the developer sends a receipt confirming the $3,000 payment was received. The client keeps the receipt as documentation for their "Professional Services" tax deduction.

Related Terms

• Digital Receipt — Electronic records of purchases
• Accounts Payable — Money owed to suppliers
• Proof of Purchase — Documentation verifying a transaction

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