The number of toilet rooms and fixtures in a FOOD ESTABLISHMENT and the required ventilation of toilet rooms shall meet the requirements specified by the Wisconsin Commercial Building Code, chs. SPS 361 to 366, and enforced by the Wisconsin department of safety and professional services.
Wis. Admin. Code Department of Agriculture, Trade and Consumer Protection 8-101.11
Contact the Safety and Buildings Division at the department of safety and professional services, P.O. Box 2509, Madison, WI 53701, telephone 608-266-3151 and 711 (TTY) or https://dsps.wi.gov/pages/home.aspx.