Notwithstanding the provisions of Kan. Stat. Ann. §§ 74-4913 to the contrary, an employee who became a member of the Kansas public employees retirement system on March 1, 1975, who elected under the provisions of Kan. Stat. Ann. §§ 74-4925 to participate in another retirement system, who was first employed by such participating employer on June 14, 1943, until July 31, 1944, and was reemployed by such participating employer on January 17, 1955, until March 17, 1956, was employed by another participating employer for the school years 1957-58, 1958-59, 1959-60, and 1960-61, shall be granted prior service credit for all service prior to January 1, 1962, with all participating employers which has not been previously credited.