N.C. Gen. Stat. § 120-4.11: Membership.

The following members of the General Assembly and former members of the General Assembly are eligible for membership in the Retirement System:

(1) Members of the General Assembly who serve on and after June 15, 1983; and

(2) Former members of the General Assembly who served prior to June 15, 1983; and

a. Who elect to transfer current and future entitlements, or contributions, from the Legislative Retirement Fund established by Chapter 1269 of the 1969 Session Laws; or

b. Who have five or more years of service as a member of the General Assembly. (1983, c. 761, s. 238; 1983 (Reg. Sess., 1984), c. 1034, ss. 188, 189; 1985, c. 400, ss. 1, 7; 1987 (Reg. Sess., 1988), c. 1109; 2001-424, s. 32.30(a).)