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Donaldson | Cunningham
  • Home
  • About
    • Monica H. Donaldson Stewart
    • Benjamin H. Cunningham
    • Kate L. Kane
    • Logan Smith
  • Family Law
    • Divorce
    • Mediation
    • Prenuptial Agreements
    • Adoptions And Termination Of Parental Rights
    • Child Support
    • Collaborative Divorce
    • Grandparents’ Rights
    • Legal Decision-Making Authority And Parenting Time
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    • Same-Sex Family Law
    • Spousal Maintenance
  • Estate Planning
    • Living Trusts
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  5. What you can and cannot include in an Arizona prenup

What you can and cannot include in an Arizona prenup

On Behalf of Donaldson Stewart, P.C. | Dec 1, 2025 | Prenuptial Agreements

You may believe a prenuptial agreement is only for the extremely wealthy or simply a plan for divorce. While these are common assumptions, they are misleading. A prenuptial agreement is actually a powerful, proactive tool for financial planning that defines the rights and obligations of both parties.

For Arizona couples, a premarital agreement clarifies financial expectations for both spouses during and after marriage. Understanding what Arizona law permits – and what it prohibits – is the first step in this informed planning process.

Acceptable provisions

A well-drafted prenup can set clear rules about property and certain types of financial support. These provisions are the agreement’s core, allowing you to define what constitutes separate property and how to divide assets acquired during the marriage upon divorce or death.

Arizona prenups can legally cover:

  • Property division: You can define the future distribution of marital assets, overriding Arizona’s community property laws.
  • Asset ownership: The agreement confirms establishes ownership of property acquired before the marriage, such as a home, bank accounts or business interests.
  • Spousal maintenance: You can modify or even eliminate spousal support, provided the terms are not unconscionable at the time of execution and the agreement does not make one spouse eligible for public assistance at the time of separation or divorce.
  • Estate planning: A prenup can clarify, modify or waive a spouse’s rights to property or assets upon the other’s death, which is vital for protecting separate property, family inheritances or children from prior marriages. The prenup itself, however, is not an estate planning document.
  • Financial management: You can outline how to manage assets during the marriage, such as requiring joint signatures for large financial transactions.

These guidelines give you and your partner control over your financial destiny. Openly discussing these financial expectations offers both of you significant peace of mind.

Unacceptable provisions

While prenups offer wide latitude for financial issues, Arizona law has strict limits on what you can include. These limitations exist to protect public policy and the legal interests of children:

  • Child matters: Agreements regarding legal decision-making authority, parenting time or child support contained in a prenup are not enforceable in an Arizona court. The court retains the authority to act in the “best interests of the child” at the time of the divorce, and you cannot predetermine that outcome.
  • Lifestyle clauses: Stipulations that seek to penalize spouses for personal behavior, such as infidelity, are strongly discouraged and face a significant risk of being found unenforceable because they generally fall outside the permitted financial scope under the Arizona Uniform Premarital Agreement Act (AUPAA) or may violate public policy.
  • Illegal terms: Any provision that violates Arizona law or is deemed grossly unfair at the time the agreement is signed will likely be invalidated.

A properly drafted prenuptial agreement is an excellent tool for defining financial matters, rather than personal expectations, and protecting your economic well-being.

Because an Arizona court reviews these agreements closely for fairness and compliance with state law in the event of a challenge by either spouse, it’s advisable to have an experienced attorney draft the prenup on behalf of one future spouse and another skilled attorney to review the document on behalf of the other. A clear, legally sound prenup is a positive, affirming step toward a successful marriage built on open communication and planning.

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