Ohio Rev. Code § 911.04: Building specifications of bakeries.

Every bakery shall be constructed, drained, lighted, ventilated, maintained in a sanitary condition, and screened against flies. Every bakery shall have plumbing and drainage facilities together with approved wash basins, wash sinks, and toilets or water closets, which shall be kept in a sanitary condition. The toilets or water closets shall be in rooms having no direct connection with any room in which bakery products or ingredients are prepared, stored, handled, or displayed.