Employee contracts are the legal foundation of a working relationship – outlining job roles, compensation, and termination terms. They not only set expectations but also serve as enforceable documents that help resolve disagreements, clarify obligations, and protect both parties from ambiguity or misinterpretation.
Disputes between employers and salaried or hourly employees range from unpaid wages or wrongful termination to disagreements over job scopes or non-compete clauses. By contrast, commission-based roles (especially in sales) are uniquely prone to more complex disputes.
Commissions depend on performance, timing, and fulfillment – factors that often lack clarity if not carefully defined. A standard employment contract might cover base pay and duties, while a commission agreement would specify that percentages are earned after a signed deal and full client payment.
When Disputes Arise: The Role of Contracts and Michigan Law
If a former employee claims they’re owed commissions on a deal that closed after they left, or if an employer questions whether a commission was truly “earned,” the agreement becomes the central reference point. Common disputes include:
- Disagreements on whether sales targets were met
- Commissions claimed after voluntary resignation
- Sales completed post-termination
Clearly written agreements provide both parties with certainty about rights and obligations, especially after employment ends. But when key terms are vague, missing, or only loosely agreed upon, misunderstandings become more likely. If internal processes such as HR reviews or appeals fail to resolve these issues, litigation is often the next step.
In Michigan, the importance of written clarity is amplified by the Sales Representative Commission Act (MCL 600.2961). This statute offers powerful protections to independent sales representatives – it requires prompt payment of earned commissions and allows courts to award treble damages and attorney’s fees when payments are wrongfully withheld.
Defining the Legal Boundaries of Commission Claims
When agreements are vague or silent on key terms, employees may lean on fallback legal theories to make their case.
“Procuring cause” refers to the idea that a salesperson deserves a commission if their efforts set a deal in motion, even if the sale closes after their departure. “Equitable claims,” meanwhile, argue for fairness – as in recovering value provided to the company (unjust enrichment) or enforcing a broken promise made in good faith (promissory estoppel).
How Michigan Courts Handle Commission Disputes
Three key cases illustrate how Michigan courts apply contract terms, weigh doctrines like procuring cause, and assess equitable claims in commission disputes:
1. A.P.J. Associates v. North American Philips: A clear contract beats a fairness claim: A.P.J. Associates, a sales rep for Philips, sued for commissions on General Motors sales that closed after the agreement ended. A.P.J. argued it had initiated the deals and deserved payment under the procuring cause doctrine, along with claims of unjust enrichment and broken promises. The Sixth Circuit Court of Appeals enforced the contract’s language – that commissions were only owed during the agreement’s term – and dismissed all other claims.
2. Clark Bros. Sales Co. v. Dana Corp.: Clark Brothers challenged Dana Corporation’s decision to terminate Its sales agreement and deny commissions on future sales. It cited general industry standards and implied expectations. The United States District Court for the Eastern District of Michigan, however, rejected the argument, finding the contract enforceable as written. It also declined to apply the Michigan Sales Representative Commission Act to stretch the agreement’s scope. The ruling reinforced a company’s right to end relationships and rely on contractual limits without facing open-ended financial exposure. This case illustrates that industry practice doesn’t override written terms.
3. Cirino and Cahn v. American Generators: When facts are unclear, contracts alone may not end the dispute. Sales reps Cirino and Cahn, one with a written agreement, the other with a verbal one, sued for unpaid commissions after leaving American Generators. The company moved to dismiss, arguing the claims were unfounded. But the Oakland County Michigan Circuit Court found factual disputes: Did the plaintiffs earn commissions on post-employment sales? Was Cirino the procuring cause? Were financial records reliable? The case was allowed to proceed to trial. It serves as a warning to all: when contracts are unclear or undocumented, disputes can become costly and unpredictable.
Clear Terms, Fewer Conflicts: Practical Guidance for Employers and Employees
For all employers, the priority should be drafting agreements that leave no room for ambiguity. This includes:
- Precisely defining when commissions are earned (e.g., contract signing, delivery, or payment)
- Stating whether commissions continue after termination and under what conditions
- Outlining how disputes will be handled
- Ensuring consistency between written policies, offer letters, and actual practices
For employees, especially those in sales roles, it’s critical to understand the terms they’ve agreed to and to raise questions early. If a commission agreement is vague or verbal, or if compensation is delayed after departure, it’s important to remember that there are still legal grounds to rely on: procuring cause, equitable remedies, and in Michigan, the Sales Representative Commission Act (MCL 600.2961).
Protect Your Rights. Strengthen Your Agreements.
Whatever side of an employment or commissions-based dispute you’re on, having the right legal partner is key to resolution. August Law advises both employers and employees on drafting, enforcing, and challenging commission agreements under Michigan law. Our team brings clarity to complex compensation structures and strategic guidance when conflicts arise.
Contact us to learn how our Sales Commission team can help you take the next step.