Upon the application of a member in service or of his employer, any member who has had ten (10) or more years of creditable service may be retired by the board of trustees, not less than thirty (30) and not more than ninety (90) days next following the date of filing such application, on a disability retirement allowance. Provided, that the medical board, after a medicial examination of such member, shall certify that such member is mentally or physically incapacitated for the further performance of duty, that such incapacity is likely to be permanent, and that such member should be retired.Acts 1945, ch. 29, § 5; C. Supp. 1950, § 2540.5 (Williams, § 2524.5).
Tennessee Legal Code