2006 New York Code - Expiration Of Permit.

 
    § 27-196 Expiration of permit. Except as otherwise provided in section
  27-190 of article eighteen of this subchapter, all permits issued by the
  commissioner  shall  expire  by  limitation  and  become  invalid if the
  permitted work or use is not commenced within  twelve  months  from  the
  date  of  issuance  of  the  permit  or,  if  commenced, is suspended or
  abandoned for a period of twelve months thereafter. All permits for work
  in a special flood hazard area as delineated in  reference  standard  RS
  4-4  shall  expire if the actual start of permanent construction has not
  occurred within one hundred eighty-eight days of the date on which  such
  permit  is issued. The commissioner may, however, upon good cause shown,
  reinstate a work permit at any time within a period of  two  years  from
  the  date  of  issuance  of  the original permit, provided that the work
  shall comply with all the requirements of this code and other applicable
  laws and regulations in effect at the time application for reinstatement
  is made, and provided further that the applicant shall pay a renewal fee
  in accordance with section 26-211 of the code.