PrenupsAI

WI · evidence preparation

Wisconsin prenup checklist.

Use these prompts to collect the agreement, schedules, timeline, and outside records needed for an evidence-based first review.

Package wi-2026-07-23.3 · checked 2026-07-23 · editorially verified.
15issues checked
11with state records
4visible gaps
2026-07-23effective-through label

State-specific manual editorial

Wisconsin uses its marital-property agreement framework in section 766.58 rather than a verbatim Uniform Premarital Agreement Act chapter.

The statute covers signed-document formalities, child-support limits, permitted marital-property subjects, and Wisconsin-specific enforcement rules.

154 authored words · 15 source-linked review modules below

Questions people actually ask

Wisconsin review, without pretending the facts are settled.

Each answer is tied to source IDs in the current state package. Open the citations and check for later authority before relying on a proposition.

What form does Wisconsin require?

Section 766.58(1) uses a signed document and does not require consideration.

  • Wis. Stat. § 766.58(1) · A marital-property agreement must be a document signed by both spouses; only the spouses may be parties, and consideration is unnecessary.

What child-related limit appears?

Section 766.58 preserves child-support protections from adverse contractual treatment.

  • Wis. Stat. § 766.58(3) · Subject to listed statutory limits, spouses may contract about property rights, management, disposition at dissolution or death, support, estate arrangements, nonprobate transfers, choice of law, and other lawful property matters.

Where are Wisconsin's enforcement rules found?

Section 766.58(6) supplies the state-specific enforcement framework catalogued by the package.

  • Wis. Stat. § 766.58(6)(b) · A marital-property agreement is not enforceable if the resisting spouse proves that execution was not voluntary.

Worked issue-spotting examples

How document facts become research questions.

These examples do not predict an outcome. They show the boundary between a fact pattern, a source-backed issue, and the legal judgment still required.

The marital-property classification clause

A clause reclassifies future business income and appreciation. Wisconsin's marital-property content provisions provide the starting categories for that analysis.

Question to carry forward: How does section 766.58 interact with Wisconsin's broader marital-property system for these assets?

  • Wis. Stat. § 766.58(3) · Subject to listed statutory limits, spouses may contract about property rights, management, disposition at dissolution or death, support, estate arrangements, nonprobate transfers, choice of law, and other lawful property matters.

The agreement and financial statement differ

The signed agreement describes an asset differently from the attached financial statement. Wisconsin's enforcement framework makes the execution-time financial record important.

Question to carry forward: What did each party understand about the asset when the document was signed?

  • Wis. Stat. § 766.58(6)(b) · A marital-property agreement is not enforceable if the resisting spouse proves that execution was not voluntary.
01

Signing formalities

Confirm the complete agreement and every incorporated schedule use the required form and signatures.

  • Wis. Stat. § 766.58(1) · A marital-property agreement must be a document signed by both spouses; only the spouses may be parties, and consideration is unnecessary.
02

Acknowledgment

Check whether the agreement or a related instrument uses an acknowledgment, notarization, witness, or recording formality.

No separate source record is catalogued for this topic. That is a research-coverage statement, not a claim that no applicable law exists.

03

Effective date

Identify the event and date on which the agreement says it becomes effective.

  • Wis. Stat. § 766.58(5) · People intending to marry may execute the agreement as if married, but it becomes effective only upon marriage.
04

Permitted subjects

Map each material clause to a subject the cited authorities address and flag terms requiring separate authority.

  • Wis. Stat. § 766.58(3) · Subject to listed statutory limits, spouses may contract about property rights, management, disposition at dissolution or death, support, estate arrangements, nonprobate transfers, choice of law, and other lawful property matters.
05

Property

Reconcile property labels with title, income, appreciation, debt, and disposition terms.

06

Spousal support

Identify every support waiver, cap, formula, review event, and enforcement-time safeguard.

  • Wis. Stat. § 766.58(3)(d), (9) · Support may be modified or eliminated, but during marriage a spouse may not be left without necessary and adequate support, and a court may order support needed to avoid public-assistance eligibility at dissolution or death.
07

Children and support

Flag any term that attempts to predetermine child support, custody, or another child-related decision.

  • Wis. Stat. § 766.58(2) · A marital-property agreement may not adversely affect a child's right to support.
  • Wis. Stat. §§ 767.41, 767.511 · Custody and placement turn on current statutory best interests, while support is judicially determined under the percentage standard and statutory factors.
08

Amendment and revocation

Confirm every claimed amendment or revocation is complete and follows the applicable form.

  • Wis. Stat. § 766.58(4) · A marital-property agreement may be amended or revoked only by a later marital-property agreement.
09

Voluntariness

Build a factual timeline of drafts, negotiations, pressure, capacity, language access, and signing.

  • Wis. Stat. § 766.58(6)(b) · A marital-property agreement is not enforceable if the resisting spouse proves that execution was not voluntary.
10

Financial disclosure

Compare the agreement and schedules against assets, debts, income, business interests, trusts, and any waiver.

  • Wis. Stat. § 766.58(6)(c) · The resisting spouse may establish nonenforcement by proving both lack of fair and reasonable disclosure under the circumstances and lack of notice of the other spouse's property or financial obligations before execution.
  • Mary A. Kordus v. Daniel Kordus, No. 2008AP111; Button; Schumacher · For Button disclosure review, only actual knowledge of the other party's assets and values substitutes for disclosure; constructive or imputed knowledge is insufficient.
11

Independent counsel

Record who advised each party, when advice occurred, and which draft was reviewed.

  • Wis. Stat. § 766.58(8) · Joint representation, one-sided representation, or one party's lack of counsel does not by itself make an agreement unconscionable or otherwise unenforceable.
12

Timing

Measure the time between first draft, material revisions, legal review, wedding, and signing.

No separate source record is catalogued for this topic. That is a research-coverage statement, not a claim that no applicable law exists.

13

Public assistance

Identify support terms that could interact with public-benefit eligibility at enforcement.

No separate source record is catalogued for this topic. That is a research-coverage statement, not a claim that no applicable law exists.

14

Void marriage

Identify whether the agreement addresses a marriage later determined to be void.

No separate source record is catalogued for this topic. That is a research-coverage statement, not a claim that no applicable law exists.

15

Other limitations

Identify severability, limitations, public-policy, choice-of-law, and other enforcement boundaries.

Matrix and list placement describes the records in PrenupsAI's current evidence packages. It does not rank legal strictness, predict enforceability, or mean that an unlisted state has no applicable rule. Open the cited sources to inspect the underlying authority.

Method, not a verdict

How to turn fifteen prompts into a defensible review file.

331 words of shared evidence methodology accompany the state-specific editorial and authority records above.

Use the checklist as an evidence map

Work from the complete agreement outward. Preserve the best available signed copy, every incorporated schedule, and any amendment or revocation before answering individual questions. For each checklist row, distinguish three things: what the document says, what an outside record can prove, and what the cited authority addresses. Those categories overlap, but they are not interchangeable. A recital may identify the parties’ stated understanding without proving delivery; a bank statement may prove an account existed without deciding its legal classification; a statute may identify a standard without resolving disputed facts.

Mark an item complete only when the underlying record is identified, not merely because the agreement contains reassuring language. If a source is absent, record the gap and route it for research. Do not convert ‘not separately catalogued’ into ‘no law exists.’ That discipline is what makes the checklist useful across both dense statutory packages and states whose rules depend more heavily on cases or adjacent bodies of law.

Keep a source-and-version trail

Record the package version and effective-through date shown above, the date each authority was opened, and whether a later-authority search was performed. Save exact clause quotes with page or section references. When facts change—through relocation, marriage, amendment, property transfer, separation, death, or litigation—create a new review snapshot rather than overwriting the old one. The resulting trail lets another reviewer understand which document, facts, and legal source set supported each observation.

A checklist can identify missing evidence and research questions; it cannot certify validity, predict enforcement, select governing law, or replace a time-sensitive professional judgment. Use narrow language such as ‘the reviewed file does not contain the referenced schedule’ instead of ‘no disclosure occurred.’ That difference is not defensive filler. It is the basic quality control that keeps evidence reporting accurate.

End each review with a dated list of unresolved facts, assigned follow-up work, and the authority that made each question material. A visible open item is safer than an unsupported green check.