It shall be unlawful for any person to sell, offer or expose for sale, or have in possession with intent to sell, horse meat for human consumption:
(a) Unless a sign is posted in a conspicuous place both inside and outside the store, eating establishment, or building in which said meat is sold or offered or exposed for sale, reading "horse meat sold here";
(b) Unless the counter or container in which the same is offered or exposed for sale is plainly and conspicuously marked with the words "horse meat" and no other meat of any kind shall be placed in the same container with horse meat; if horse meat is placed in the same counter with other cuts of meat each cut shall be plainly labeled "horse meat";
(c) Unless all packages, boxes or containers in which horse meat is delivered to the purchaser shall be plainly and conspicuously marked with the words "horse meat."
It shall be unlawful for any restaurant, boarding house or other place where food is served to the public to prepare or serve horse meat to any customer or patron unless a sign is posted in a conspicuous place, both inside and outside the building or restaurant in which such meat is prepared and sold reading "horse meat served here," and unless the same words are printed or typed on all menus used therein.
In the event that horse meat is mixed with any other kind of meat, the mixture shall be considered as horse meat and its sale, preparation or serving shall be subject to all of the provisions of this section.
The commissioner shall enforce the provisions of this section.