N.Y. Comp. Codes R. & Regs. tit. 6, § 42.10
(b) No person shall fail to provide an easily accessible and permanently installed hand washing sink with the following:
(c) No person shall fail to provide a safe and effective means for the disposal of sewage and other wastewaters that complies with applicable plumbing and building codes.
(1) No person shall fail to provide convenient access to a toilet room that has an adequate number of toilets.
(d) Toilets and toilet rooms.