The provisions of §§ 8-3952 - 8-3958 shall apply with respect to a transfer from one retirement system to the other retirement system, anything contained in one (1) or both of the retirement systems to the contrary notwithstanding. The respective boards of trustees of the retirement systems shall make such rules and regulations as may be necessary to carry the provisions of §§ 8-3952 - 8-3958 into effect.
T.C.A. § 8-3957