Taken directly from the idaho fish and game furbearers rules:
It is Unlawful
• To trap without a valid trapper’s license.
• To destroy or damage a muskrat or beaver house.
• To trap in or on a muskrat house.
• To destroy, disturb, or remove any traps belonging to
others.
• To use any part of a domestic or wild origin game bird,
game animal, game fish, or protected nongame wildlife
for bait in trapping furbearing animals, unprotected
wildlife, or predatory wildlife.
• To set, place or stake any trap or snare during the closed
season.
• To possess a live furbearer taken from the wild.
• To hunt any animal or bird by aid of a spotlight, flashlight
or artificial light of any kind; except unprotected or
predatory animals on private land after obtaining written
permission and on public lands after obtaining a permit.
It is lawful to hunt raccoons on public lands without a
permit if such taking is not in violation of state, county, or
city laws, ordinances, or regulations.
• To buy furs without a valid fur buyers license.