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Bill

SB 160

Family law: marriage and divorce; uniform premarital and marital agreements act; create. Creates new act.

2025-2026 Regular Session Introduced by Rosemary Bayer and 3 co-sponsors

Michigan adopts uniform law standardizing enforcement of prenuptial and postnuptial agreements with defined disclosure and validity requirements.

referred to Committee on Judiciary
#familylaw:marriageanddivorce
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Bill Summary · SB 160

Legislative bill overview

SB 160 establishes Michigan's version of the Uniform Premarital and Marital Agreements Act, a model law adopted by multiple states that governs the legal enforceability of prenuptial and postnuptial agreements. The bill sets standardized requirements for how couples can contractually modify their marital property rights, spousal support obligations, and other family law matters.

Why is this important

This legislation provides clarity and predictability for couples entering into premarital or marital agreements by establishing uniform standards for validity, disclosure requirements, and enforcement. It affects estate planning, asset protection strategies, and dispute resolution in divorce cases involving high-net-worth individuals and blended families, potentially reducing litigation costs when agreements meet statutory requirements.

Potential points of contention

  • Enforceability of spousal support waivers: The bill may allow couples to prospectively waive or limit alimony rights, which consumer advocates argue could disadvantage lower-earning spouses who experience career disruption
  • "Unconscionability" standards: Disagreement exists over how strictly courts should review whether agreements were unfairly one-sided at signing versus enforcement
  • Disclosure and counsel requirements: Debate over whether the bill's transparency standards adequately protect vulnerable parties or create unnecessary barriers for straightforward agreements

Compiled from official sources — confirm details with the bill’s official record.

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