57.964. Retirement with normal annuity. — 1. Any member who has attained the age of fifty-five years and who has twelve years or more of creditable service as sheriff of a county may retire with a normal annuity.
2. Any member who has attained the age of sixty-two years and who has at least eight years of creditable service as sheriff of a county may retire with a normal annuity.
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(L. 1983 H.B. 81 § 57.920)