When election of option may be changed or revoked

The election of an option may not be changed or revoked by the member after such member's retirement date, except in accordance with rules and regulations adopted by the board of trustees. Acts 1972, ch. 814, § 5; T.C.A., § 8-3917(b); Acts 1984, ch. 601, § 6. The election of an option may not be changed or revoked by the member after such member's retirement date, except in accordance with rules and regulations adopted by the board of trustees. Acts 1972, ch. 814, § 5; T.C.A., § 8-3917(b); Acts 1984, ch. 601, § 6.