On April 1, 2014, all members of the cement plant retirement plan, including any retiree and any vested member, become Class C members of the system. The administration of retirement benefits for Class C members shall continue with the system. Source: SL 2014, ch 21 , § 3, eff. Apr. 1, 2014; SDCL § 3-12-218 ; SL 2019, ch 22 , § 1.