Every provision of chapters 34-37 of this title shall be subject to amendment or repeal by any session of the general assembly; provided, that no such amendment or repeal shall diminish or annul, in any respect, any right acquired by a member or beneficiary under chapters 34-37 of this title.Acts 1972, ch. 814, § 17; T.C.A., § 8-3948.
Tennessee Legal Code