Amendment or revocation must be in writing; consideration not required

Ind. Code § 31-11-3-7, under Uniform Premarital Agreement Act.

Ind. Code § 31-11-3-7

Sec. 7. 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. [Pre-1997 Recodification Citation: 31-7-2.5-7.] As added by P.L.1-1997, SEC.3.