Section 22. Members' contributions and their use; annuity reserve fund

a.
  The annuity reserve fund shall be the fund from which shall be paid  all
  annuities  and  all  benefits  in lieu of annuities, payable pursuant to
  this article.
    b. Upon retirement, a  member's  accumulated  contributions  shall  be
  transferred  from  the annuity savings fund to the annuity reserve fund.
  They shall then be used to provide an annuity, the amount of which shall
  be the actuarial equivalent of such  accumulated  contributions  on  the
  basis  of  regular  interest  and  the tables adopted by the comptroller
  pursuant to this article.
    c. The comptroller from time to time shall transfer from  the  pension
  accumulation  fund  to  the  annuity  reserve  fund, such amounts as are
  necessary under this article.
    d. If a member, retired for  any  reason,  returns  to  active  public
  service and again becomes a member of the retirement system, his annuity
  reserve  shall  be  transferred  from  the  annuity  reserve fund to the
  annuity savings fund.