21 CFR § 1250.38
Toilet and lavatory facilities for use of food-handling employees
June 25, 2020
(a) Toilet and lavatory facilities of suitable design and construction shall be provided for use of food-handling employees. Railroad dining car crew lavatory facilities are regulated under §1250.45.
(b) Signs directing food-handling employees to wash their hands after each use of toilet facilities shall be posted so as to be readily observable by such employees. Hand washing facilities shall include soap, sanitary towels and hot and cold running water or warm running water in lieu of hot and cold running water.
(c) All toilet rooms shall be maintained in a clean condition.