86.1140.  Leave of absence not to act as termination of membership — creditable service permitted, when. — 1.  Should any member be granted leave of absence by the board of police commissioners, such member shall not, because of such absence, cease to be a member.

  2.  If a member is on leave of absence by authority of the board of police commissioners for thirty consecutive days or less, and returns from such leave prior to August 28, 2011, such member shall receive creditable service for such time.

  3.  Except as provided in subsection 3 of section 86.1110, if a member is on leave of absence without compensation, such member shall not receive service credits for such time unless such member shall return to active service and purchase such creditable service at the actuarial cost.  The actuarial cost shall be determined at the time the member makes such purchase.