(a) A toilet room located on the premises shall be completely enclosed and provided with a tight-fitting and self-closing door except that this requirement does not apply to a toilet room that is located outside an establishment or processing plant and does not open directly into the establishment or processing plant such as a toilet room that is provided by the management of a shopping mall.
(b) Toilet room doors as specified under Chapter 8, Section 49(a), shall be kept closed except during cleaning and maintenance operations.
010-8 Wyo. Code R. § 8-49