Mo. Rev. Stat. § 404.460
Current with changes from the 2024 Legislative Session
A provision in a will, trust, power of appointment, benefit plan, life or endowment insurance policy, annuity or other contract, or a pay or transfer on death direction, for a transfer of property to be made in the future to a custodian for a beneficiary, made by a donor in the manner prescribed in subdivision (4) of subsection 1 of section 404.540, remains revocable by the donor until the property becomes transferable in accordance with the terms of the governing instrument to the beneficiary or a personal custodian for the beneficiary under sections 404.400 to 404.650, unless expressly made irrevocable at the time provision for the gift is made or subsequently.
§ 404.460, RSMo