FAR 52.232-4—Payments under Transportation Contracts and Transportation-Related Services Contracts.
Plain-English Summary
FAR 52.232-4 is the basic payment clause for transportation contracts and transportation-related services contracts. It tells agencies when to include the clause, allows agencies to modify payment due dates under agency regulations, and states the core payment rule: the Government must pay the contractor after receiving properly certified invoices or vouchers for services that have been rendered and accepted, minus any authorized deductions. In practice, this clause ties payment to both proper billing and Government acceptance, so it is important for carriers, freight forwarders, logistics providers, and other transportation service contractors. It also signals that payment timing may vary by agency-specific regulations, so contractors must check the solicitation and contract rather than assume a single governmentwide due date. The clause is short, but it matters because it establishes the baseline entitlement to payment and the conditions that must be met before payment is made.
Key Rules
Clause applies to transportation services
This clause is prescribed for solicitations and contracts for transportation or transportation-related services. Contracting officers must include it when the acquisition falls within that scope and must follow any agency-specific instructions on payment due dates.
Payment follows proper certification
The Government pays only after the contractor submits properly certified invoices or vouchers. A billing that is incomplete, uncertified, or otherwise not in the required form does not trigger payment under the clause.
Services must be rendered and accepted
Payment is due for services that have been performed and accepted by the Government. If the services have not been accepted, the Government is not yet obligated to pay under this clause.
Deductions may be taken
The Government may reduce payment by any deductions authorized under the contract or otherwise provided for in the clause. Contractors should expect that the amount paid may be less than the billed amount if deductions apply.
Agency regulations may adjust due dates
The clause must be inserted as modified with respect to payment due dates in accordance with agency regulations. This means the timing of payment can differ by agency, so the contract documents control the exact due date.
Responsibilities
Contracting Officer
Include the clause in covered transportation and transportation-related services solicitations and contracts, and modify payment due dates as required by applicable agency regulations.
Contractor
Submit properly certified invoices or vouchers, ensure the billed services were actually rendered, and account for any deductions that may reduce the amount payable.
Government/Receiving Activity
Review the services, accept them when appropriate, apply any authorized deductions, and process payment once the invoice or voucher is proper and the contractual conditions for payment are met.
Agency
Issue and apply any agency regulations that modify payment due dates for this clause and ensure contracting personnel use the correct version in covered acquisitions.
Practical Implications
Contractors should verify invoice certification requirements and format before billing, because an improper invoice can delay payment.
Acceptance matters: even if the work is complete, payment is not due until the Government accepts the services.
Because agency regulations can change payment due dates, contractors should read the solicitation and contract carefully instead of relying on a standard timeline.
Deductions can reduce the amount paid, so contractors should track contract terms and any performance issues that could lead to offsets.
For contracting officers, the main compliance risk is using the wrong clause version or failing to adjust payment timing in accordance with agency rules.
Official Regulatory Text
As prescribed in 32.111 (a)(4) , insert the following clause, appropriately modified with respect to payment due dates in accordance with agency regulations, in solicitations and contracts for transportation or transportation-related services: Payments under Transportation Contracts and Transportation-Related Services Contracts (Apr 1984) The Government shall pay the Contractor upon the submission of properly certified invoices or vouchers, the amount due for services rendered and accepted, less deductions, if any, as herein provided. (End of clause)