NY State cares little about what other states do. Declare one state as residence and go from there.
The shame of it all is that the NY Sullivan Law was initiated for political power in NYC but passed for the whole state. Not much has changed ,a NYState permit is clearly marked "Not Valid in NYC " .In fact for many years it was not legal to transport your gun from upstate to Long Island as you would have to pass through NYC !
And Watson , bring your revolver !