PISTOL PERMIT RECERTIFICATION PROCESS:
Recertify electronically: @ https://firearms.troopers.ny.gov/pprecert/ Or-
US mail paper form available @ https://troopers.ny.gov/firearms/ (you may also pick up form at any NYS police location)
Mail form to:
New York State Police, Pistol Permit Bureau
Building 22
1220 Washington Avenue, New York 12226
If the information published on that site does not answer your question, you can call 1-855-529-4867