Arkansas: Prenuptial Agreement Requirements

Requirements one by one

Arkansas uses a modified uniform-act framework

Ark. Code §§ 9-11-401-9-11-402 define the instrument and set the form. The
subchapter is called the Arkansas Premarital Agreement Act and follows the
Uniform Premarital Agreement Act structure.

Arkansas's main state-specific addition is the acknowledgment rule. The
agreement needs more than both signatures, but the statute supplies four ways
to complete that extra step.

The agreement needs a writing, signatures, and acknowledgment

Section 9-11-402 requires a writing “signed and acknowledged by both parties.”
It is enforceable without consideration, so no separate payment or property
exchange is required.

Under § 9-11-404, the agreement becomes effective upon marriage. Signing and
acknowledgment before the wedding complete execution but do not activate it by
themselves.

Arkansas provides four acknowledgment routes

The first route is a formal declaration or admission before an authorized
public officer that the agreement is the parties' act and deed.

The second is a sworn affirmation by each party's respective attorney that the
represented party understands and consents to the agreement's legal effect.

The third is a notary-witnessed signed agreement containing statements that the
parties consulted their respective attorneys, read and understand the agreement,
and entered it freely without coercion or undue influence.

The fourth is execution witnessed by two disinterested people. A form that
treats notarization as the only possible route does not reflect § 9-11-402(b).

A disclosure waiver requires legal consultation

Section 9-11-406(a)(2) uses the standard combined disclosure structure. The
challenger must show no fair and reasonable disclosure, no qualifying waiver,
and no actual or reasonably available adequate knowledge, together with
execution-time unconscionability.

Arkansas adds words to the waiver route: the voluntary express written waiver
must be made after consulting with legal counsel. The statute does not say
the waiver must be a separate document.

Counsel is conditional, not universal

Chapter 9 does not impose one universal separate-counsel requirement or a fixed
pre-wedding review period. Counsel becomes legally important in specific paths:
it is required for the disclosure waiver, and two of the four acknowledgment
alternatives involve the parties' respective attorneys.

The officer-declaration and two-disinterested-witness routes do not state a
counsel condition. Voluntary execution remains independently required under
§ 9-11-406(a)(1).

The fairness test is conjunctive on the second route

Ark. Code § 9-11-406 supplies two routes to nonenforcement. Involuntary
execution is enough by itself. The other route requires unconscionability when
the agreement was signed and all three disclosure failures.

The court decides unconscionability as a matter of law. The Act does not state a
general enforcement-time unconscionability review for every provision.

Support terms have a public-assistance override

Ark. Code §§ 9-11-403-9-11-405 permit modification or elimination of spousal
support and govern effect and later changes. Section 9-11-406(b) permits a court
to order enough support to avoid public-assistance eligibility caused by the
waiver at separation or dissolution.

The override is limited to avoiding that eligibility. It is not a general
license to rewrite every support term at enforcement.

Child support and custody remain protected

Section 9-11-403(b) says a prenup may not adversely affect a child's right to
support. Personal-rights terms also may not violate public policy or a criminal
statute.

Custody remains a later court decision. Current Ark. Code § 9-13-101(b)(1)(A)(vi)
requires the court to consider the child's best interest when making a custody
determination.

Amendment or revocation requires another signed writing

After marriage, § 9-11-405 permits amendment or revocation only by a written
agreement signed by both parties. The amendment or revocation needs no
consideration.

The section does not repeat the original agreement's acknowledgment language.

What trips people up

Acknowledgment does not mean notary only. Arkansas provides four statutory
routes, including two disinterested witnesses.

The disclosure waiver has a counsel condition. A bare written waiver without
the required prior legal consultation does not match § 9-11-406(a)(2)(ii).

Unconscionability and disclosure are linked. On the second enforcement
route, the challenger must prove both execution-time unconscionability and all
three disclosure failures.

Common questions

What happens if the marriage is void?

Under Ark. Code §§ 9-11-407-9-11-412, a void marriage limits enforcement to the
extent necessary to avoid an inequitable result. The same group of sections
also covers limitations tolling, the short title, and the Act's effective date.

Does the Act govern an agreement signed before July 20, 1987?

Section 9-11-412 applies the subchapter to agreements executed on or after that
date.

Does the limitations period run during marriage?

Section 9-11-408 tolls an applicable limitations period during marriage while
preserving equitable defenses such as laches and estoppel.

Statutes and sources

• Ark. Code §§ 9-11-401 to 9-11-412. Current Arkansas Premarital Agreement
  Act baseline; history lines show the 2017 acknowledgment amendment. Official
  Code release
  (accessed July 28, 2026; release dated November 6, 2020, with later amendment
  sweep described above).
• Ark. Code § 9-13-101. Current custody best-interest language enacted by
  2021 Act 604. Official enrolled act
  (accessed July 28, 2026).