Idaho Code § 25-213
It shall be unlawful for any person, firm or corporation, agent, or employee thereof, knowingly to sell, offer to sell, or in any manner to part with to another, any animal affected or infected with any contagious or communicable disease, or with the disease of epithelioma of the eye, commonly known as "cancer eye," except for immediate slaughter, and in accordance with the meat inspection regulations of the United States department of agriculture, or dispose of the meat, milk or other products of any animal that may be affected or infected with such contagious, infectious or communicable disease or with the disease of epithelioma of the eye, commonly known as "cancer eye," for use as food or for other purposes, except in such manner as shall be provided by the rules and regulations of the division, or to dispose of to another in any manner an animal or animals that may be in quarantine without notifying the purchaser of the existence of such quarantine, or until such time as the quarantine shall have been raised by the proper officer.
Idaho Code § 25-213