Section 8-35-217 - Participation by political subdivisions(a)(1) Any political subdivision electing to participate in the retirement system on or after July 1, 1983, in accordance with this part, shall participate in the provisions of the plan as they exist for state employees on the date of participation; except that prior service credit authorized in § 8-35-203(a)(2) shall remain optional.(2) An irrevocable election of this option must be made on the date of participation.(b) If an employer does not extend social security coverage to its employees, the employer is authorized, subject to the approval of the board, to establish a different benefit accrual rate, adopt different retirement eligibility service and age requirements, or to otherwise alter the pension plan benefit structure for all or for certain classes of its employees. Based on the advice of nationally recognized counsel employed by the Tennessee consolidated retirement system, any such alternative plan shall comply with all requirements of federal laws, rules, and regulations and also qualify as a social security replacement plan.Amended by 2014 Tenn. Acts, ch. 659, s 10, eff. 4/10/2014.Acts 1981, ch. 387, § 7; 1983, ch. 24, § 1; 1983, ch. 342, § 10; 1985, ch. 449, § 15; 1993, ch. 67, § 18; 1995, ch. 164, § 4.