N.Y. Comp. Codes R. & Regs. tit. 9, § 573.8
(a) Professional, commercial or artisan activities associated with residential or accessory structures on the same premises shall be considered accessory uses if they:
(b) A bed and breakfast shall be considered an accessory use and not a tourist accommodation if the following criteria are met:
(c) one waste disposal area of less than 25 cubic yards shall be considered accessory to a residential use, provided that: