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Short answer
A three-way match is an accounts payable check in which an invoice is paid only after it agrees with two other records: the purchase order that authorized the buying and the receiving record that shows what actually arrived. Organizations use the term for this combination; the federal payment rules described below show the same three-document logic for government contracts.
Definition and scope
The three documents are the order (the purchase order, contract or other authorization), the receipt (a goods receipt note or receiving report written when the delivery is accepted) and the invoice from the supplier. Payment goes ahead when the three tell the same story about what was bought, how much arrived and what is being charged. The wording “three-way match” comes from industry and ERP practice; the rules cited on this page do not use it, and they set no variance thresholds.
The check matters most for physical goods such as laboratory consumables and medical supplies, where a delivery can be short, partial or substituted. The goods receipt note guide covers the receiving record itself, and the hospital supply chain guide places the match inside procurement and inventory management. This page does not repeat either; it focuses on which fields must agree and on the clock that starts running when they do not.
How it works in practice
The federal acquisition rules show the logic in their own words. FAR 32.905(a) states that “payment will be based on receipt of a proper invoice and satisfactory contract performance.” Two documents sit behind that sentence, and FAR 32.905(c) adds the third by requiring that all invoice payments be supported by a receiving report or other Government documentation authorizing payment.
What an invoice must carry
Under FAR 32.905(b)(1) a proper invoice includes the contractor’s name and address, the invoice date and number, the contract number or other authorization for the supplies delivered or services performed, and the description, quantity, unit of measure, unit price and extended price. Under (b)(3) an invoice that does not comply is returned to the contractor with the reasons.
What the receiving report must carry
FAR 32.905(c) requires, among other items, the contract number or authorization (c)(1), the quantities received and accepted (c)(3), and the signature, printed name, title, address and phone number of the designated Government official (c)(6). Under (e), the payment office annotates each invoice and receiving report with the date it was received.
Types and related concepts: a field-by-field cross-walk
Reading the invoice list and the receiving-report list side by side shows what the match actually compares. Every row below comes from FAR 32.905.
| Question the match answers | On the invoice | On the receiving report |
|---|---|---|
| Is this the authorized order? | Contract number or other authorization, (b)(1) | Contract number or other authorization, (c)(1) |
| Did this quantity arrive? | Quantity billed, (b)(1) | Quantities received and accepted, (c)(3) |
| Is the price arithmetic consistent? | Unit of measure, unit price and extended price, (b)(1) | Not a required field |
| Who accepted the delivery? | Not a required field | Signature, name, title, address and phone of the designated official, (c)(6) |
| When was each document received? | Date annotated by the payment office, (e) | Date annotated by the payment office, (e) |
Accounts payable three-way matching: which fields line up
The table shows why the authorization number works as the join key: it appears on both documents. Quantity is the main value that can be compared directly between them. Unit of measure and unit price appear only on the invoice, so comparing them to the order requires the third document. The hospital supply chain guide notes that wrong unit of measure and wrong contract price in the item master are common reasons a match fails and an invoice is held for manual research.
Electronic receiving reports
For Department of Defense contracts, DFARS 252.232-7003 requires the contractor to submit payment requests and receiving reports in electronic form using Wide Area WorkFlow (WAWF), with a receiving report at the time of each delivery of supplies or services. Submission may be by EDI, secure file transfer or direct web entry, and purchase-card payments need only the receiving report in WAWF. The EDI term entry explains the transaction sets involved.
Where it matters for labs, clinics and supply decisions
A held match has a cost clock
Under FAR 52.232-25 the payment due date is the later of the 30th day after the designated billing office receives a proper invoice and the 30th day after Government acceptance of the supplies or services. For computing a possible interest penalty, acceptance is deemed to occur constructively on the 7th day after delivery or performance unless there is disagreement over quantity, quality or contract compliance. A dispute over a received quantity therefore does two things at once: it holds the match and it removes the constructive-acceptance default. These timing rules apply to contracts that include the clause.
Grant-funded purchases
For federal awards, 2 CFR 200.303(a) requires the non-federal entity to establish, document and maintain effective internal control over the award, aligned to the GAO Green Book or the COSO framework. Another purchasing control is described in the procurement card reconciliation guide, and the document that precedes the order is covered in purchase requisition versus purchase order. For the wider purchasing workflow see the lab equipment and supplies procurement guide.
Common misunderstandings
Three-way matching is not a regulation
The phrase is common practice. The federal text requires a proper invoice, satisfactory performance and a receiving report, and it does not name the process or prescribe how differences are measured. An institution’s own policy decides how a mismatch is handled.
A packing list is not the receipt
A supplier’s packing list is a supplier document. It serves as the receiving record only where the buyer’s procedure says so, as the goods receipt note guide explains.
Matching the invoice to the order alone is two documents
Without the receiving record there is no evidence that the quantity billed was the quantity accepted, and FAR 32.905(c)(3) is the provision that calls for quantities received and accepted to be recorded.
FAQ
What documents does a three-way match compare?
The order or other authorization, the receiving record and the supplier invoice. Payment goes ahead when they agree on what was bought, how much arrived and what is charged.
Is a three-way match required by law?
The federal text cited here requires a proper invoice, satisfactory performance and a receiving report or equivalent documentation, but it does not use the term or set tolerances. An institution’s own policy decides how mismatches are handled.
What happens if the received quantity is disputed?
Under FAR 52.232-25, the 7th-day constructive acceptance default does not apply where there is disagreement over quantity, quality or contract compliance, so the payment due date follows actual acceptance.
Does three-way matching apply to services?
The federal provisions cited cover supplies delivered and services performed, and the receiving report records services performed where applicable. How an organization applies the match to services is set by its own procedure.
Sources
- https://www.acquisition.gov/far/32.905 – FAR 32.905, Payment documentation and process (checked 2026-10-29)
- https://www.acquisition.gov/far/52.232-25 – FAR 52.232-25, Prompt Payment (checked 2026-10-29)
- https://www.acquisition.gov/dfars/252.232-7003-electronic-submission-payment-requests-and-receiving-reports. – DFARS 252.232-7003, Electronic Submission of Payment Requests and Receiving Reports (checked 2026-10-29)
- https://www.law.cornell.edu/cfr/text/2/200.303 – 2 CFR 200.303, Internal controls (checked 2026-10-29)
