Any person who is employed in a child development program on October 1, 1965, and who was brought into membership in a retirement system on October 1, 1963, notwithstanding his prior election pursuant to Section 8367 or the predecessor of such Section 8367 as it read prior to October 1, 1963, not to be a member of such system, shall have the same rights under such system with respect to his service in child development programs as he would have had under Section 8367 or the predecessor of such section had he elected thereunder to be a member of such system.