Section 4-204.123 - Vending Machine Doors and Openings(A) VENDING MACHINE doors and access opening covers to FOOD and container storage spaces shall be tight-fitting so that the space along the entire interface between the doors or covers and the cabinet of the machine, if the doors or covers are in a closed position, is no greater than 1.5 millimeters or one-sixteenth inch by: (1) Being covered with louvers, screens, or materials that provide an equivalent opening of not greater than 1.5 millimeters or one-sixteenth inch. Screening of 12 or more mesh to 2.5 centimeters (12 mesh to 1 inch) meets this requirement;(2) Being effectively gasketed;(3) Having interface surfaces that are at least 13 millimeters or one-half inch wide; or(4) Jambs or surfaces used to form an L-shaped entry path to the interface.(B) VENDING MACHINE service connection openings through an exterior wall of a machine shall be closed by sealants, clamps, or grommets so that the openings are no larger than 1.5 millimeters or one-sixteenth inch.Wis. Admin. Code Department of Health Services § 4-204.123