Mo. Rev. Stat. § 105.496
105.496 Permanent select committee on ethics.
105.496. Permanent select committee on ethics. — Upon the convening of the next general assembly after January 1, 1991, the house of representatives and the senate shall each, respectively, establish by rule a permanent select committee on ethics and shall adopt the rules by which the manner and method of investigations and disciplinary proceedings and actions shall be conducted.
(L. 1990 H.B. 1650 & 1565 § 8) Effective 1-01-91