Prompt payment

Oklahoma prompt payment act and retainage rules

Oklahoma's Fair Pay for Construction Act covers public construction contracts over $25,000: owners pay in 30 days, primes pay subs in 10, and retainage is capped at 5 percent, drops to 2.5 percent past 50 percent complete, and is released 21 days after substantial completion.

An office manager and contractor review invoices with a calculator and laptop in a construction office.
Review invoices, committed costs, and cash timing together before making project decisions. AI-generated illustration.

Oklahoma's main construction prompt payment act is the Fair Pay for Construction Act, 61 O.S. §§ 221 to 227. It applies to public owners: state entities, cities, townships, and public trusts. On contracts over $25,000, the owner pays the prime within 30 calendar days of a proper invoice. The prime pays subs and suppliers within 10 days of being paid, and subs pay their own tiers within 7 days. Retainage is capped at 5 percent and drops to 2.5 percent once the job passes 50 percent complete. It must be released within 21 days after a certificate of substantial completion. The act does not reach private owners, and no separate private prompt pay statute was found for this page.

Oklahoma payment and retainage rules at a glance
RulePrivate workPublic work
Owner pays primePer contract; the Fair Pay act covers public owners only30 calendar days after a proper invoice, on contracts over $25,000 (§ 223)
Prime pays subPer contract10 calendar days after the prime is paid; lower tiers 7 days (§ 224)
Late interestNot set by this actPrime: interest under 62 O.S. § 34.72 (formerly § 41.4b); late sub payments 1.5% per month (§ 225(E))
Retainage capPer contract5% of partial payments; 2.5% once past 50% complete with satisfactory progress (§§ 113.1, 226)
Retainage releasePer contract21 days after substantial completion, less up to 150% of the cost to fix listed items; prime passes it on in 10 days (§ 226(C))
Final payment interestPer contract1.5% per month (school districts 0.75%), starting 30 days after completion and acceptance, or 60 days for unit price contracts (§ 113.3)
Securities in lieuPer contractContractor may withdraw retainage by depositing U.S. Treasury securities, Oklahoma general obligation bonds, or Oklahoma bank CDs (§ 113.2)

Which jobs the Fair Pay act covers

The act defines a construction contract as a written contract or subcontract for public improvements, public buildings, or repairs and maintenance on them, and it defines owner as a public body. It does not apply to highway, railroad, or turnpike construction. It also does not apply to roads, bridges, utilities, traffic control, drainage, sanitary sewer, or waterline work unless those are part of a building contract. Contracts for one- to four-family dwellings are excluded too. A GC building a fire station for a city is covered; a paving contractor on a county road project is not.

Payment deadlines and invoice reductions

The owner has 30 calendar days from a proper invoice to make a progress payment for work done and materials properly stored. An owner that wants to cut an invoice must send the prime the reasons in writing within 14 calendar days, and the cut can be no more than a reasonable amount to correct the work. When that happens, the prime has 7 days to tell every affected sub. A prime or sub that reduces a lower tier's invoice must also send written reasons within 7 days. Reductions under 1 percent of the net invoice, or for math errors, are exempt from the notice rule.

When the prime gets paid, it pays each sub or supplier within 10 calendar days for work performed. Sub-subcontractors and their suppliers are owed within 7 days after the sub is paid. Both deadlines assume the lower tier performed under its contract.

Suspension, interest, and schedule relief

If a prime is not paid within 49 calendar days after submitting a proper invoice, it may suspend or terminate after the owner receives at least 7 calendar days' written notice. A party that suspends is not in breach and does not have to resume until it is paid in full, less retainage, plus demobilization, remobilization, and delay costs. Late owner payments also push out the completion date and any related penalties or bonuses day for day.

A late-paid prime is owed interest under 62 O.S. § 34.72, which ties the rate to the average rate on 30-day time deposits of state funds reported by the State Treasurer. If the prime pays a sub late, that payment carries 1.5 percent per month. Contract terms that take away rights under the act, or that move disputes to another state, are void.

Retainage on Oklahoma public work

Section 226 caps retainage at 5 percent of partial payments. Once the contractor has completed more than 50 percent of the contract and the owner finds progress satisfactory, retainage drops to 2.5 percent of the amount earned to date. Subcontracts must include a retainage provision of no more than 5 percent, reduced to 2.5 percent of the original subcontract amount once the sub's work is at least half done. The Department of Transportation and the Turnpike Authority do not withhold retainage on their contracts.

Within 21 calendar days after a certificate of substantial completion for the project or a usable phase, and with surety approval, the owner releases retainage to the prime. The owner may keep up to 150 percent of the estimated cost to fix incomplete or defective work, but only if those items are identified, itemized, and attached to the certificate. The prime then has 10 calendar days to release each sub's share, and lower tiers have 7 days.

Late final payments draw interest under § 113.3: 1.5 percent per month for most agencies and 0.75 percent per month for school districts. It starts 30 days after the work is completed and accepted and all required documents are in, or 60 days for unit price contracts. Interest is paused while quantities or the final amount are in dispute. Under § 113.2, the contractor can also withdraw retainage by depositing approved securities with the agency.

Pay-if-paid clauses in Oklahoma

The Fair Pay act does not expressly mention pay-if-paid clauses, but it voids contract terms that take away a sub's or supplier's right to receive and enforce payment under the act. On private jobs, enforceability depends on the clause language and case law, so get advice and protect your lien rights; see Oklahoma mechanics lien deadlines.

The 14-day and 7-day reduction notices are where most Oklahoma disputes start. Smart Business Automator logs every invoice, reduction, payment, and retainage balance by job and by sub. See construction accounts receivable automation.

Frequently asked questions

Does Oklahoma's Fair Pay for Construction Act apply to private projects?

No. It defines owner as state and local public entities and public trusts. Private jobs follow the contract terms.

How long does an Oklahoma public owner have to pay a contractor?

On construction contracts over $25,000, 30 calendar days after the prime submits a proper invoice.

What is the retainage limit on Oklahoma public projects?

Five percent of partial payments, reduced to 2.5 percent once the contract is more than 50 percent complete and progress is satisfactory.

When must Oklahoma retainage be released?

Within 21 calendar days after a certificate of substantial completion, less up to 150 percent of the estimated cost of itemized incomplete or defective work. The prime pays subs their share within 10 days.

Can an Oklahoma contractor stop work for nonpayment?

On covered public jobs, yes. If not paid within 49 calendar days of a proper invoice, the prime may suspend or terminate after the owner receives 7 calendar days' written notice.

Sources

  1. Oklahoma Legislature: Oklahoma Statutes Title 61, Public Buildings and Public Works (§§ 113.1 to 113.3 and 221 to 227)
  2. Oklahoma Legislature: Oklahoma Statutes Title 62, Public Finance (§§ 34.71 and 34.72)

Laws and rates change. Confirm current requirements with the state agency before you bid, file, or pay. This page is general information, not legal advice.

Written and edited by

Maurice Francois writes and edits construction operations guides for Smart Business Automator. More from Maurice on the Scaling Legends podcast.

Get a free assessment