19-3-2116. Vesting -- mandatory termination of membership -- forfeitures. (1) A member's contribution account includes the member's contributions and the income on those contributions and is vested from the date that the employee becomes a member of the plan.
(2) A member's employer contribution account includes the employer's contributions and the income on those contributions and is vested only when the member has a total of 5 years of membership service under the system.
(3) A member's account for other contributions includes the member's rollovers of contributions made pursuant to 19-3-2115 and income on those contributions and is vested from the date that the contribution is credited to the account.
(4) A member who terminates service after becoming a vested member may terminate plan membership as provided in 19-3-2123.
(6) If the member's employer contribution account is not vested upon termination of plan membership, as provided in 19-3-2123, the employer contributions and income are forfeited and must be allocated as provided in 19-3-2117.