Section 616. Transfer of membership

Any  employee  of  the  board of
  education of the city of New York who is a member of the New  York  city
  employees' retirement system may elect to transfer membership to the New
  York city board of education retirement system. Any election pursuant to
  this  section  shall be made no later than the one hundred eightieth day
  next  succeeding  the  date  on  which  the  provisions  hereof   become
  effective,  by  filing  a written notice thereof with the administrative
  head of the New York city employees' retirement system and the New  York
  city board of education retirement system and, once made and filed, such
  election  shall  be  irrevocable.  Where  an  employee  of  the board of
  education becomes a member of the  New  York  city  board  of  education
  retirement  system pursuant to this section the New York city employees'
  retirement system shall make a transfer of reserves, contributions,  and
  credits to the New York city board of education retirement system in the
  manner required by section forty-three of this chapter.
    * NB Expires June 30, 2011