2006 New York Code - Credit For Service Of Certain Members.

 
    §  13-115  Credit  for service of certain members. Notwithstanding any
  provisions of section 13-107 of this chapter to  the  contrary,  at  the
  time  that any legally constituted public or quasi-public agency assumes
  the functions and duties of any city department, bureau, board  or  city
  agency, and the employees of such city department, bureau, board or city
  agency  are  transferred  thereto, subsequent to January first, nineteen
  hundred forty-eight, and such employees are members of the New York city
  employees' retirement system,  such  employees  shall  be  continued  as
  members  so  long as they continue in such service and shall continue to
  enjoy all the benefits of the said retirement system, provided, however,
  that such employees contribute to the retirement system the amounts that
  they would have been required to contribute  if  such  service  to  such
  public  or quasi-public agency was rendered to the city as a member and,
  provided further, that the public or quasi-public agency shall  pay  the
  cost  of all benefits provided herein that would normally be paid by the
  city of New York.