19-3-2115. Transfers or rollovers into plan -- service transfers -- membership credit for purposes of vesting. (1) (a) Except as provided in subsection (2), the board shall accept the rollover of contributions and the income on those contributions from another eligible retirement plan to the member's vested account as allowed under applicable federal law.

(b) To transfer service credit from another retirement system in this title, an employee must be a member of the defined benefit plan. The member must receive membership service and service credit for the service the member transfers. The transferring member may, within 12 months after joining the defined benefit plan, elect to become a member of the defined contribution plan. The transferred service credit may be used for purposes of vesting in the defined contribution plan pursuant to 19-3-2116.

(2) The board shall accept a direct rollover of eligible distributions from another eligible retirement plan only to the extent permitted by the Internal Revenue Code.