Mo. Rev. Stat. § 456.8-801
Upon acceptance of a trusteeship, the trustee shall administer the trust in good faith, in accordance with its terms and purposes and the interests of the beneficiaries, and in accordance with sections 456.1-101 to 456.11-1106.
(L. 2004 H.B. 1511)
Effective 1-01-05, see § 456.11-1104