PrenupsAI

MT · evidence preparation

Montana prenup checklist.

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

Package mt-2026-07-22.3 · checked 2026-07-22 · editorially verified.
15issues checked
14with state records
1visible gaps
2026-07-22effective-through label

State-specific manual editorial

Montana's Uniform Premarital Agreement Act in sections 40-2-601 through 40-2-610 addresses execution, content, effect, amendment, and enforcement.

A Montana review should connect the property and support terms to the signing circumstances and the financial information actually exchanged.

167 authored words · 15 source-linked review modules below

Questions people actually ask

Montana 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 are Montana's cited formalities?

Montana Code section 40-2-604 supplies the formation requirements.

  • Mont. Code Ann. § 40-2-604 · A Montana premarital agreement must be in writing and signed by both parties and is enforceable without consideration.

Where are permitted subjects found?

Section 40-2-605 identifies the property and related subjects parties may address, subject to statutory limits.

  • Mont. Code Ann. § 40-2-605(1) · Permitted subjects include property rights and management, disposition, modification or elimination of spousal support, estate planning, life-insurance benefits, choice of law, and other lawful personal rights and obligations.

What does section 40-2-608 cover?

The enforcement source addresses voluntary execution and Montana's financial disclosure or knowledge safeguards.

  • Mont. Code Ann. § 40-2-608(1)(a) · The party resisting enforcement may prove involuntary execution as an alternative to Montana's unconscionability-and-disclosure branch.

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 mineral-rights schedule

A schedule identifies land but not separately held mineral rights or royalty income. Montana's enforcement source makes the completeness of property and obligation disclosure a fact question.

Question to carry forward: Were the mineral interests and associated income fairly disclosed?

  • Mont. Code Ann. § 40-2-608(1)(a) · The party resisting enforcement may prove involuntary execution as an alternative to Montana's unconscionability-and-disclosure branch.

The ranch-management clause

One spouse receives sole management authority over ranch property during marriage. Montana's content section provides the statutory category for reviewing management and control.

Question to carry forward: Does the clause operate as intended under Montana property law and the agreement act?

  • Mont. Code Ann. § 40-2-605(1) · Permitted subjects include property rights and management, disposition, modification or elimination of spousal support, estate planning, life-insurance benefits, choice of law, and other lawful personal rights and obligations.
01

Signing formalities

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

  • Mont. Code Ann. § 40-2-604 · A Montana premarital agreement must be in writing and signed by both parties and is enforceable without consideration.
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.

04

Permitted subjects

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

  • Mont. Code Ann. § 40-2-605(1) · Permitted subjects include property rights and management, disposition, modification or elimination of spousal support, estate planning, life-insurance benefits, choice of law, and other lawful personal rights and obligations.
05

Property

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

  • Mont. Code Ann. § 40-2-603 · Montana defines a premarital agreement as an agreement between prospective spouses made in contemplation of marriage and effective upon marriage, and defines property broadly to include present, future, legal, equitable, vested, contingent, real, personal, income, and earnings interests.
  • In re Marriage of Bliss, 2016 MT 51, ¶¶ 22–25 · Bliss applied clear and explicit agreement language to gifted property after separately affirming enforceability under the Act.
06

Spousal support

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

  • Mont. Code Ann. § 40-2-608(1)(b), (3) · The court decides execution-time unconscionability as a matter of law, while the statutory public-assistance safeguard remains separately available for qualifying support consequences.
07

Children and support

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

08

Amendment and revocation

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

  • Mont. Code Ann. § 40-2-607 · After marriage, amendment or revocation requires a written agreement signed by both parties and is enforceable without consideration.
09

Voluntariness

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

10

Financial disclosure

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

  • Mont. Code Ann. § 40-2-608(1)(b), (3) · Montana's execution-time unconscionability branch also requires no fair and reasonable disclosure, no voluntary express written waiver of further disclosure, and no adequate knowledge of the other party's property or financial obligations.
  • In re Marriage of Bliss, 2016 MT 51 · Bliss affirmed enforcement where notarization, original-file evidence, counsel consultation, a later free-will affidavit, and knowledge of omitted low-profit businesses supported voluntariness and fair disclosure.
11

Independent counsel

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

12

Timing

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

13

Public assistance

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

  • Mont. Code Ann. § 40-2-608(2) · A court may require support to the extent necessary to avoid public-assistance eligibility caused by a premarital support modification or elimination at separation or dissolution.
14

Void marriage

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

  • Mont. Code Ann. § 40-2-609 · If a marriage is void, an otherwise premarital agreement is enforceable only to the extent necessary to avoid an inequitable result.
15

Other limitations

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

  • Mont. Code Ann. § 40-2-610 · An applicable limitations period for relief under a premarital agreement is tolled during marriage, while equitable time defenses including laches and estoppel remain available.

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.