Battle of the forms: whose terms govern your purchase order?

Most sales of goods between businesses never get a signed contract. They get a quote, a purchase order, an acknowledgment and an invoice, each carrying its own boilerplate, and nobody reads any of it until a shipment goes wrong. When that happens, the first legal question isn't who breached. It's which set of terms applies.

The battle of the forms is the name lawyers give that question, and Article 2 of the Uniform Commercial Code answers it through one dense section, UCC § 2-207. Oklahoma and Texas have both enacted Article 2 as state law, so the mechanics below are, in general, what a court in Oklahoma City or Dallas would work through on a typical sale. We'll take one ordinary exchange apart, document by document, and show where the terms actually get decided.

The battle of the forms starts with the quote

A supplier emails a quote: part numbers, quantity, unit price, lead time, and a line that says "subject to our standard terms and conditions." Whether that quote is an offer or just an invitation to deal depends on how definite it is and how it's worded. A quote that names quantity, price and delivery and invites an order reads a lot like an offer. One that says "pricing for budgetary purposes only" usually doesn't.

Why does the label matter? Because § 2-207 keys off the offer. The offer is the baseline every later form is measured against, and the party who sends it gets a structural advantage we'll come back to.

Step two: the purchase order

The buyer's controller approves a purchase order. The front page matches the quote: quantity, price, ship date. The back page, or the PDF link in the footer, carries the buyer's terms: a warranty that the goods will be free from defects for a stated period, a right to reject and return at the seller's expense, indemnity, venue in the buyer's home county, and often a sentence saying acceptance is limited to the terms of the PO.

If the quote was an offer, the PO is the acceptance, and its extra terms are handled under § 2-207(2), discussed below. If the quote was only an invitation, the PO is the offer itself, and the seller's next document is the response. In our experience the PO is the offer far more often than buyers realize, which is good news for buyers and a quiet problem for sellers.

Step three: the acknowledgment

The seller's order-entry system generates an order acknowledgment. It confirms the part numbers and ship date, and attaches the seller's terms: a disclaimer of all implied warranties, repair-or-replace as the buyer's sole remedy, no consequential damages, venue in the seller's state, interest on late payment, and a sentence saying the seller's acceptance is "expressly conditional on buyer's assent" to those terms.

Under § 2-207(1), a definite and seasonable expression of acceptance operates as an acceptance even though it states terms additional to or different from those offered, unless acceptance is expressly made conditional on assent to the additional or different terms. So the acknowledgment is one of two things. Without the conditional sentence, it's an acceptance, a contract exists, and the seller's extras are proposals. With the conditional sentence, it's a counteroffer, and no contract has formed on paper at all.

Which additional terms get in

Take the first branch. Section 2-207(2) says additional terms are construed as proposals for addition to the contract. Between merchants, they become part of the contract unless the offer expressly limits acceptance to its own terms, the terms materially alter the contract, or the other side objects within a reasonable time after notice of them. Both of our parties are merchants, so the question is whether any of those exits applies.

Exit (a) is why the buyer's "acceptance limited to these terms" sentence exists. If the PO has it, the seller's additional terms are out before the materiality analysis even starts. Exit (b) is where most of the litigation lives. The statute doesn't define "materially alter," but courts and the drafters' comments commonly treat clauses like warranty disclaimers, arbitration provisions and indemnity obligations as the kind of term that may surprise the other side and materially alter the deal. A late-payment interest clause or a minor shipping term is more likely to slide in. Exit (c) rewards the buyer who reads the acknowledgment and objects in writing, even by a short email, within a reasonable time.

Different terms, not just additional ones

Notice that subsection (1) speaks of terms "additional to or different from" the offer, while subsection (2) only says "additional." A term that conflicts with the offer, say venue in the seller's county when the PO already named the buyer's county, is a different term. Courts are divided on what to do with those. Many apply a knockout approach: both conflicting terms drop out and the UCC's default rule fills the gap. Others treat the offer's term as controlling. Which approach a court takes can decide the dispute, and it's one of the points we'd want briefed before anyone assumes their venue clause holds.

Step four: the goods ship, get accepted, get paid for

Now take the second branch, the one where the acknowledgment was "expressly conditional" and became a counteroffer. The buyer never signs it. Nobody signs anything. The seller ships, the receiving dock signs for the pallets, the invoice arrives with yet another copy of the seller's terms, and accounts payable pays it.

Section 2-207(3) handles this. Conduct by both parties that recognizes the existence of a contract is enough to establish one, even though the writings don't. The terms of that contract are the ones on which the parties' writings agree, together with supplementary terms incorporated under other provisions of Article 2. Everything the forms fought over is gone. Quantity, price and ship date survive because both forms said the same thing. In our example, the warranty disclaimer, the venue clause and the remedy limitation do not, because the forms never agreed on them.

Shipment itself can also be acceptance of an order. Under § 2-206, an order for prompt or current shipment invites acceptance either by a prompt promise to ship or by prompt shipment of conforming or nonconforming goods. A seller who ships without sending any acknowledgment has usually accepted the PO on the PO's terms.

Step five: the gap-fillers decide the dispute

This is where the fight gets expensive, because the UCC's defaults are not neutral. They lean toward the buyer on quality, and the seller's protective language only helps if it got into the contract.

Implied warranties

Under § 2-314, a warranty that the goods are merchantable is implied in a contract for their sale when the seller is a merchant with respect to goods of that kind. Merchantable means, among other things, that the goods pass without objection in the trade under the contract description and are fit for the ordinary purposes for which such goods are used. That warranty applies unless it is excluded or modified under § 2-316.

Section 2-316 sets the price of exclusion. To exclude the implied warranty of merchantability, the language must mention merchantability, and if it's in writing it must be conspicuous. To exclude the implied warranty of fitness for a particular purpose, the exclusion must be in writing and conspicuous. Language like "as is" or "with all faults" can exclude implied warranties when the circumstances don't indicate otherwise. A seller whose disclaimer sits in small gray type on the back of an acknowledgment that never became part of the contract has, in effect, no disclaimer.

Remedy limitations

Remedies work the same way. Section 2-719 lets the parties agree to remedies in addition to or in substitution for Article 2's, including limiting the buyer to return of the goods and repayment of the price, or to repair and replacement of nonconforming goods. But a contractual remedy is optional unless it's expressly agreed to be exclusive. If an exclusive remedy fails of its essential purpose, the Code's ordinary remedies come back. Consequential damages may be limited or excluded unless the limitation is unconscionable, and for commercial loss a limitation is not presumed unconscionable. Every one of those protections has to be in the contract to work. A repair-or-replace clause that only ever lived on the seller's acknowledgment is just a proposal the buyer never accepted.

The clauses that actually decide the case

When a dispute over defective parts or a late delivery reaches us, the fact questions are usually clear within a week. The terms questions take longer, and they tend to turn on a short list of clauses.

• Warranty disclaimers and remedy limitations. If they're in, the buyer's claim may be capped at the price of the parts. If they're out, consequential damages such as lost production, cover costs and downstream customer claims are on the table.
• Venue and forum. A forum selection clause that names the seller's home court changes who travels and who hires local counsel. Whether it got in under § 2-207(2) is often the first motion filed.
• Arbitration. An arbitration clause on one form and silence on the other is a classic material-alteration argument.
• Attorney's fees, indemnity and limitation of liability. These shift who pays for the fight and how much is at stake, and they draw the same materiality analysis.
• Price escalation and delivery terms. These are more likely to be treated as ordinary commercial detail, but a conflicting delivery term is a candidate for the knockout rule.

Both sides deserve honest airtime here. A buyer who relies on "our PO governs" wins the warranty fight only if the seller's disclaimer never got in, and sellers do get terms in when the buyer stayed silent and the term wasn't material. A seller who ships on its own acknowledgment can hold its venue clause for the same reason. Neither side gets to assume.

A practitioner's edge: the conditional sentence backfires

Here is the wrinkle we see most often. The "expressly conditional on buyer's assent" sentence in the seller's acknowledgment was added, at some point, by someone trying to protect the seller. In practice it often does the opposite. It converts the acknowledgment from an acceptance with proposed additions into a counteroffer the buyer never signs, which pushes the whole relationship into § 2-207(3) once the goods ship. Under (3), the seller's disclaimer and remedy cap are wiped off the table and the gap-fillers come in. The seller may well have been better off sending a plain acknowledgment and letting (2) work, where a non-material term has a real chance of sticking.

The second wrinkle is about sequence. The first form that qualifies as an offer sets the baseline, and the other side has to fight uphill to change it. That makes controlling the first form worth more than the best back-of-the-PO boilerplate. A signed master supply agreement, or a credit application with terms the customer signs before the first order, is the first form. Every PO that references it and every acknowledgment that mirrors it is then just confirmation of terms already agreed, and § 2-207 has very little left to do.

Where Oklahoma fits

Oklahoma has enacted Article 2, and so has Texas, so the analysis above is generally what a court in either state works through, subject to any state-specific wording in the enacted version. Article 2 governs transactions in goods, not services. For a mixed contract, equipment plus installation for example, most courts ask whether the predominant purpose was the goods or the service and apply Article 2 only if goods predominate. That threshold question gets litigated too, especially for contractors.

These cases land in Oklahoma state and federal courts as ordinary commercial disputes, which means the venue clause and the forum fight come first and the merits wait. Our earlier piece on enforcing a contract in Oklahoma covers what the litigation itself looks like once the terms are settled.

When a lawyer becomes cheaper than the mistake

The cheapest moment is before a recurring supplier or customer relationship grows past the amount you'd be willing to write off. That's the point to put a master agreement in place rather than keep trading forms. Next comes the day an acknowledgment arrives with terms you've never seen and the shipment is already on the truck; a short written objection within a reasonable time costs almost nothing, and § 2-207(2)(c) rewards it. And when a dispute surfaces and the first question anyone asks is "what are the terms?", the analysis above is the work, and it's better done before positions harden.

If your company buys or sells on purchase orders and has never looked at what the other side's forms say, that review is worth doing before the next dispute rather than after. You can reach our practice through the contact page or our Oklahoma City office. A conversation about your forms now is almost always cheaper than a battle over them later.

This article is general information about Oklahoma, Texas, and federal law, not legal advice, and it does not create an attorney-client relationship. Facts matter; talk to a lawyer about yours.