Section 13-310. Return of deductions on discontinuance of membership or on death

a. Should a member discontinue service in the  force,  except  by  death  or  retirement,  he  or  she  shall  be  paid  the  amount of the
  deductions without  interest  made  from  his  or  her  pay,  salary  or
  compensation  pursuant  to  subdivision  eight of section 13-303 of this
  subchapter.
    b. In the event that a  member  shall  die  before  retirement  and  a
  pension  or  allowance  is not paid by the board of trustees pursuant to
  section 13-309 of this subchapter, the amount of the deductions  without
  interest  made  from  the  pay,  salary  or  compensation of such member
  pursuant to subdivision eight of section 13-303 of this subchapter shall
  be paid by such board to  the  beneficiary  or  beneficiaries,  as  such
  member  shall  have  nominated by signed designation and filed with such
  board. Such designation shall be made  within  thirty  days  after  this
  section shall take effect, and may be changed from time to time, by such
  member upon filing with the board a new signed designation.