§5-10-20. Voluntary retirement.
Any member who has attained or attains age sixty years and has five or more years of credited service in force, at least one year of which he was a contributing member of the retirement system, may retire upon his written application filed with the board of trustees setting forth at what time, not less than thirty days nor more than ninety days subsequent to the execution and filing thereof he desires to be retired: Provided, That on and after the first day of June, one thousand nine hundred eighty-six, any person who becomes a new member of this retirement system shall, in qualifying for retirement hereunder, have five or more years of service, all of which years shall be actual, contributory ones. Upon retirement, the member shall receive an annuity provided for in section twenty-two of this article.