Do dry cleaners in New York State have to donate unclaimed clothes? There is a law for just about everything here in New York and dry cleaning is no exception. For many people, it is the dry cleaning that is forgotten. But if you leave them at the dry cleaner too long, it might be done for you! New York State 6 Month Dry Cleaning LawIn New York State, dry cleaners are required to display a sign that reminds people to get there orders picked up, or they will be donated.