Source: § 566.132, Sec. 2(1)(c)

“In the following cases an agreement, contract, or promise is void unless that agreement, contract, or promise, or a note or memorandum of the agreement, contract, or promise is in writing and signed with an authorized signature by the party to be charged with the agreement, contract, or promise: […] (c) An agreement, promise, or undertaking made upon consideration of marriage, except mutual promises to marry.”

• § 557.28 – Contract relating to property made in contemplation of marriage.
• § 566.109 – Statute of frauds; consideration, statement in contract, evidence.
• § 566.132 – Agreements, contracts, or promises required to be in writing and signed; enforcement; “financial institution” defined.