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Illinois Premarital and Prenuptial Agreements

The Uniform Premarital Agreement Act, which was written by the National Conference of Commissioners on Uniform State Law in 1983, encourages the enforcement of prenuptial agreements. The exact UPAA standards differ from state to state just like other divorce laws. The following is the Illinois state statutes regarding premarital and prenuptial agreements and how they are considered and enforced by the Illinois court.

Illinois: 750 ILCS 10/1 to 10/11

(750 ILCS 10/1)
Sec. 1. This Article shall be known and may be cited as the Illinois Uniform Premarital Agreement Act. (Source: P.A. 86‑966.) 750 ILCS 10/2)

Sec. 2. Definitions. As used in this Article:

(1) "Premarital agreement" means an agreement between prospective spouses made in contemplation of marriage and to be effective upon marriage.

(2) "Property" means an interest, present or future, legal or equitable, vested or contingent, in real or personal property, including income and earnings.

(750 ILCS 10/3)
Sec. 3. Formalities. A premarital agreement must be in writing and signed by both parties. It is enforceable without consideration.

(750 ILCS 10/4)
Sec. 4. Content. (a) Parties to a premarital agreement may contract with respect to:

(1) the rights and obligations of each of the parties in any of the property of either or both of them whenever and wherever acquired or located;

(2) the right to buy, sell, use, transfer, exchange, abandon, lease, consume, expend, assign, create a security interest in, mortgage, encumber, dispose of, or otherwise manage and control property;

(3) the disposition of property upon separation, marital dissolution, death, or the occurrence or nonoccurrence of any other event;

(4) the modification or elimination of spousal support;

(5) the making of a will, trust, or other arrangement to carry out the provisions of the agreement;

(6) the ownership rights in and disposition of the death benefit from a life insurance policy;

(7) the choice of law governing the construction of the agreement; and

(8) any other matter, including their personal rights and obligations, not in violation of public policy or a statute imposing a criminal penalty.

(b) The right of a child to support may not be adversely affected by a premarital agreement.

(750 ILCS 10/5)
Sec. 5. Effect of marriage. A premarital agreement becomes effective upon marriage.

(750 ILCS 10/6)
Sec. 6. Amendment, revocation. After marriage, a premarital agreement may be amended or revoked only by a written agreement signed by the parties. The amended agreement or the revocation is enforceable without consideration.

(750 ILCS 10/7)
Sec. 7. Enforcement. (a) A premarital agreement is not enforceable if the party against whom enforcement is sought proves that:

(1) that party did not execute the agreement voluntarily; or

(2) the agreement was unconscionable when it was executed and, before execution of the agreement, that party:

(i) was not provided a fair and reasonable disclosure of the property or financial obligations of the other party;

(ii) did not voluntarily and expressly waive, in writing, any right to disclosure of the property or financial obligations of the other party beyond the disclosure provided; and

(iii) did not have, or reasonably could not have had, an adequate knowledge of the property or financial obligations of the other party.

(b) If a provision of a premarital agreement modifies or eliminates spousal support and that modification or elimination causes one party to the agreement undue hardship in light of circumstances not reasonably foreseeable at the time of the execution of the agreement, a court, notwithstanding the terms of the agreement, may require the other party to provide support to the extent necessary to avoid such hardship.

(c) An issue of unconscionability of a premarital agreement shall be decided by the court as a matter of law.

(750 ILCS 10/8)
Sec. 8. Enforcement: void marriage. If a marriage is determined to be void, an agreement that would otherwise have been a premarital agreement is enforceable only to the extent necessary to avoid an inequitable result.

(750 ILCS 10/9)
Sec. 9. Limitation of actions. Any statute of limitations applicable to an action asserting a claim for relief under a premarital agreement is tolled during the marriage of the parties to the agreement. However, equitable defenses limiting the time for enforcement, including laches and estoppel, are available to either party.

(750 ILCS 10/10)
Sec. 10. Application and construction. This Act shall be applied and construed to effectuate its general purpose to make uniform the law with respect to the subject of this Act among states enacting it.

(750 ILCS 10/11)
Sec. 11. Time of taking effect. This Article applies to any premarital agreement executed on or after January 1, 1990.