Missouri Revised Statutes Title XXIX. Ownership and Conveyance of Property § 447.530. Fiduciary holding intangible personal property for benefit of another presumed abandoned, when, exception

All intangible personal property, and any income or increment thereon that would be due had the owner not abandoned the account, held in a fiduciary capacity for the benefit of another person and including property held by an attorney in fact or an agent, except a trust defined in section 456.500, subject to escheat pursuant to the provisions of sections 456.220 or 456.640 to 456.660, is presumed abandoned unless the owner has, within seven years or five years as provided in section 447.536 after it becomes payable or distributable, increased or decreased the principal, accepted payment of principal or income, corresponded in writing concerning the property, or otherwise indicated an interest as evidenced by a memorandum on file with the fiduciary. If unclaimed property in a trust defined in section 456.500 has not escheated within the time periods specified in section 456.640, then such property is subject to the provisions of sections 447.500 to 447.595: