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Butzel Legal Corner

Requirements Contracts Under Michigan Law: Ongoing Risks and Opportunities
Date: July 23, 2025

Authors: Daniel R.W. Rustmann, Shareholder and Co-Chair of Butzel’s Automotive Practice and Automotive Industry Team, and Andrew S. AbdulNour, Associate and member of Automotive Industry Team

Ever since the Michigan Supreme Court published its opinion in the case of MSSC v Airboss in July of 2023, numerous cases have been litigated in Michigan state and federal courts challenging the long-term enforceability of automotive supply contracts – the bedrock of the automotive, just in time supply chain -- with varying outcomes. If a contract is found to be a requirements contract, the supplier can be forced to deliver at fixed prices for a long period of time. If a contract is found to be a “release by release” contract, the supplier can reject future releases on short notice, with no obligation to continue to supply, and thereby obtain huge leverage to adjust prices and other terms or exit the relationship. 

The “Airboss” analysis derives from two related provisions of Article 2 of the Uniform Commercial Code (UCC) which governs contracts for the sale of goods. Under the UCC statute of frauds (UCC 2-201), a contract is enforceable only to the extent of the written quantity. In other words, a contract that has no written quantity is unenforceable and a contract for 10 units is enforceable only for those 10 units. However, under UCC 2-306, a promise to purchase the buyer’s requirements counts as a quantity, thus satisfying the statute of frauds and making requirements contracts enforceable.

But exactly what qualifies as a requirements contract under this framework depends on the facts of each case. One contract that required the buyer to purchase "some portion or all of [buyer’s] requirements” was found to be only a release by release contract, because the quantity term was too imprecise. Another contract that required the buyer to purchase “approximately 65-100% of its requirements” was found by a state trial court and the Michigan Court of Appeals to be enforceable as a requirements contract under current Michigan state court precedent. But the same language was found by a Federal court to be too imprecise and therefore to be a release by release contract. Recently, a Federal court found a buyer’s contract that said the Buyer would purchase its “needs” pursuant to releases but did not specify any percentage of those needs was found to be a release by release contract. 

It is possible that the Michigan Supreme Court could clarify the law and provide greater certainty for the analysis in the pending cases of Kamax v FCA or Detroit Diesel v Martinrea. However, the Court is not required to accept either case for further review. Even if the Court does decide to proceed with one or both cases, it is unlikely to issue any final decision in either case for many months, perhaps even into 2026.

At a minimum, questions regarding what contracts qualify as long-term requirements contracts and what can be characterized as “release by release” contracts, terminable by seller on short notice, are likely to persist for some time. This creates enormous risk for buyers and potential leverage or exit opportunities for sellers. Therefore, it is critical for buyers and sellers to seek guidance from competent legal counsel. Buyers should review their purchasing documents and revise them, if necessary, to address this issue as solidly as possible in light of all the recent decisions. Sellers should review their contract portfolios to determine where they could potentially make arguments and develop additional leverage or exit opportunities.

We’re THE Automotive Supplier’s Law Firm.

Butzel has always been headquartered in Detroit. Throughout our 171-year history, our attorneys have counseled the industry leaders that transformed Michigan from the home of the Motor City into the epicenter of the global automotive industry it is today. With offices located throughout Michigan, in Washington, D.C., and with global alliance offices throughout the world through our affiliation with Lex Mundi, a global association of 160 independent law firms, across the country, our clients know they can depend on the depth and breadth of our firm to navigate nearly every type of legal service an automotive supplier requires—whether pertinent to day-to-day operational matters or global issues affecting the entire industry.

What differentiates us from many of our competitors is that we’ve served a portfolio of thousands of automotive supplier clients—experience which informs our overall competitive advantage. Because we won’t represent OEMs adverse to a supplier, our attorneys are accustomed to providing no holds barred advice to our supplier clients. We’re proud that Butzel is widely recognized across the automotive industry as the supplier’s firm. Butzel, we represent the industry and the supplier community—from global tier suppliers to local operations.

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