Section 15-5-307 - Retirement age; length of service; pension amounts; leaving service early; benefit adjustment(a) When any person duly appointed or selected and sworn as a member in any capacity or rank, other than department chief, of the police department of any city or town subject to the provisions of this article becomes sixty (60) years of age, the board shall order that person retired from further service. When any person has served twenty (20) years with the same police department, he may retire at that time, although not sixty (60) years of age, except that any person employed after June 30, 1981 shall serve for twenty (20) continuous years with the same department in order to be eligible for retirement prior to age sixty (60). When the board issues an order of retirement, it terminates the service of the person in the police department, except as provided in cases of emergency, and that person during his lifetime shall be paid a yearly pension equal to two and one-half percent (2 1/2%) of the average annual salary received during his highest paid five (5) year period, multiplied by the number of years service. However, no pension may exceed sixty-two and one-half percent (62 1/2%) of the average salary for the five (5) year period.(b) If for any reason the person leaves the service before completion of ten (10) years of service he shall receive in one (1) sum the amount without interest he has paid into the pension fund. After the completion of ten (10) years service he has the option of drawing out the money paid in or leaving it until he reaches the age of sixty (60) years and then being eligible to retire under the provisions of this section.(c) In addition to any other benefit provided by this section, each retired person shall receive a benefit of three percent (3%) per year for each full year that person has received retirement payments under this article prior to July 1, 1981.