21 CFR § 112.129 - What requirements apply to toilet facilities?
All of the following requirements apply to toilet facilities:
(b) Your toilet facilities must be designed, located, and maintained to:
(2) Be directly accessible for servicing, be serviced and cleaned at a frequency sufficient to ensure suitability of use, and be kept supplied with toilet paper; and
(3) Provide for the sanitary disposal of waste and toilet paper.
(c) During growing activities that take place in a fully-enclosed building, and during covered harvesting, packing, or holding activities, you must provide a hand-washing station in sufficiently close proximity to toilet facilities to make it practical for persons who use the toilet facility to wash their hands.