2006 New York Code - Retirement; Minimum Age Or Period For Service Retirement.

 
    § 13-246 Retirement; minimum age or period for service retirement. Any
  member in city-service who shall have attained the minimum age or period
  of  service  retirement  elected  by  him  or her upon such member's own
  written application to and filed with the board setting  forth  at  what
  time,  not  less than thirty days subsequent to the execution and filing
  thereof, he or she desires to be retired, shall be  retired  as  of  the
  date  specified  in  said  application,  provided  that  at  the time so
  specified for his or her retirement, his or her term or tenure of office
  or employment shall not have terminated or have been forfeited, provided
  further that upon such member request in writing  the  member  shall  be
  granted  a  leave  of  absence  from the date of filing said application
  until the date the retirement becomes effective.