Subcontracts on federal work routinely contain language giving up rights against the payment bond. Most of it does not do what it appears to do, and the reason is a single sentence in the Miller Act.
The sentence
40 U.S.C. § 3133(c) makes a waiver of the right to bring a civil action on a payment bond void unless three conditions are satisfied together. The waiver must be:
- in writing;
- signed by the person whose right is waived; and
- “executed after the person whose right is waived has furnished labor or material.”
The first two are ordinary. The third is the one that decides cases.
Why the timing condition does the work
A subcontract is signed before mobilisation. That is what a subcontract is for. So any waiver inside it was, by definition, executed before the signer furnished labor or material — and fails the third condition on the face of the document, without anyone needing to argue about intention, consideration, or what the parties understood.
This is unusually clean as legal tests go. You do not have to establish that the waiver was unfair or that it was buried. You establish the date it was signed and the date work began.
What the statute is actually protecting
It is worth being precise about what Congress prohibited, because the rule is narrower than “you cannot waive”.
Section 3133(c) does not forbid waiver. It forbids waiver in advance. A claimant who has furnished labor or material may sign an effective written waiver of the right to sue on the bond, and does so routinely — that is what the lien and bond waiver exchanged for a progress payment is.
The distinction is between two very different transactions:
Giving up a right you have not yet earned, as the price of being allowed onto the job. The parties are at their most unequal, the claimant has no leverage and no information, and nothing has yet been given in return.
Settling a right you already hold, in exchange for money. The claimant knows what it is owed, knows what it is being paid, and is making a commercial decision.
The statute permits the second and voids the first, and it draws the line at a moment — the furnishing of labor or material — rather than at a judgment about fairness.
Who has to sign
“Signed by the person whose right is waived” is not decoration. A prime contractor cannot waive its subcontractors’ bond rights by signing something, and a parent cannot waive a subsidiary’s. The signature has to come from the holder of the right.
That matters on jobs where a single document is circulated for signature at the top of the chain. Whatever it accomplishes between the parties who signed it, it does not reach the rights of anybody who did not.
What it does not do for you
A void waiver removes an obstacle. It does not supply a claim.
Every other condition in § 3133 still applies. A second-tier claimant — one with a contract with a subcontractor but none with the prime — must still give written notice to the prime within 90 days of last furnishing under § 3133(b)(2), stating with substantial accuracy the amount claimed and the name of the party furnished to. Everyone must still sue within one year of last furnishing under § 3133(b)(4).
So the practical position for a subcontractor holding a subcontract full of waiver language is: the language is probably ineffective, and that changes nothing about the deadlines. The clock is the thing that ends claims, not the clause.
Read it as a signal about the rest of the document
There is a second, less legal use for this rule. A federal subcontract containing an advance waiver of Miller Act bond rights contains a term the drafter either did not know was void or expected the reader not to know.
Neither reading is comfortable, and both are worth noticing before signing the rest of it — particularly the payment terms, the notice provisions, and anything that purports to shorten the periods the statute sets.
What this page does not cover
It is federal. Section 3133(c) governs contracts of the Federal Government, and state public-works statutes have their own approach to waiver — some restrict it, some do not address it. We have not read those provisions state by state and this page does not state them.
It also does not address waivers of mechanics lien rights on private work, which is a separate body of state law with its own timing rules, or waiver of claims against the performance bond, which runs to the owner rather than to claimants below.
