Mo. Rev. Stat. § 86.294

86.294. Contributions to be accepted after January 1, 2002, limitations. — 1. Notwithstanding any other provision of the plan established in sections 86.200 to 86.366 , and subject to the provisions of subsections 2 and 3 of this section, effective January 1, 2002, the plan shall accept a member's rollover contribution or direct rollover of an eligible rollover distribution made on or after January 1, 2002, from a qualified plan described in Section 401(a) or 403(a) of the Internal Revenue Code, or an annuity contract described in Section 403(b) of the Internal Revenue Code, or an eligible plan under Section 457(b) of the Internal Revenue Code which is maintained by a state, political subdivision of a state, or any agency or instrumentality of a state or political subdivision of a state, and that would otherwise be includable in gross income. The plan will also accept a member's rollover contribution of the portion of a distribution from an individual retirement account or annuity described in Section 408(a) or (b) of the Internal Revenue Code that is eligible to be rolled over and would otherwise be includable in gross income. The plan will accept a member's direct rollover of an eligible rollover distribution made on or after October 1, 2011, from a qualified plan described in Section 401(a) or 403(a) of the Internal Revenue Code of 1986, as amended, or an annuity contract described in Section 403(b) of the Internal Revenue Code of 1986, as amended, that includes after-tax employee contributions, other than Roth contributions described in Section 402A of the Internal Revenue Code of 1986, as amended, that are not includable in gross income and shall separately account for such after-tax amounts.

2. Except to the extent specifically permitted under procedures established by the board of trustees, the amount of such rollover contribution or direct rollover of an eligible rollover distribution shall not exceed the amount required to repay the member's accumulated contributions plus the applicable members' interest thereon from the date of withdrawal to the date of repayment in order to receive credit for such prior service in accordance with section 86.210 , to the extent that Section 415 of the Internal Revenue Code does not apply to such repayment by reason of subsection (k)(3) thereof, or to purchase permissive service credit, as defined in Section 415(n)(3)(A) of the Internal Revenue Code, for the member under the plan in accordance with the provisions of section 105.691 .

3. Acceptance of any rollover contribution or direct rollover of an eligible rollover distribution under this section shall be subject to the approval of the board of trustees and shall be made in accordance with procedures established by the board of trustees.

(L. 2002 H.B. 1455, A.L. 2011 H.B. 358)