NOTE: This information is not provided as legal advice. Always consult a lawyer and seek legal guidance.
Idaho Statutes Title 18. Crimes and Punishments § 18-3302. Concealed weapons
(1) The legislature hereby finds that the people of Idaho have reserved for themselves the right to keep and bear arms while granting the legislature the authority to regulate the carrying of weapons concealed. The provisions of this chapter regulating the carrying of weapons must be strictly construed so as to give maximum scope to the rights retained by the people.
(2) As used in this chapter:
(a) “Concealed weapon” means any deadly weapon carried on or about the person in a manner not discernible by ordinary observation;
(b) “Deadly weapon” means:
(i) Any dirk, dirk knife, bowie knife, dagger or firearm;
(ii) Any other weapon, device, instrument, material or substance that is designed and manufactured to be readily capable of causing death or serious bodily injury; or
(iii) Any other weapon, device, instrument, material or substance that is intended by the person to be readily capable of causing death or serious bodily injury.
(c) The term “deadly weapon” does not include:
(i) Any knife, cleaver or other instrument that is intended by the person to be used in the processing, preparation or eating of food;
(ii) Any knife with a blade four (4) inches or less; or
(iii) Any taser, stun-gun, pepper spray or mace;
(d) “Firearm” means any weapon that will, is designed to, or may readily be converted to expel a projectile by the action of an explosive;
(e) “Loaded” means:
(i) For a firearm capable of using fixed ammunition, that live ammunition is present in:
1. The chamber or chambers of the firearm;
2. Any internal magazine of the firearm; or
3. A detachable magazine inserted in the firearm;
(ii) For a firearm that is not capable of using fixed ammunition, that the firearm contains:
1. A propellant charge; and
2. A priming cap or primer cap.
Although this particular part of this stature in Idaho doesn’t explicitly mention an expandable baton or a club, billy, blackjack, bludgeon, truncheon, bat, nightstick or any other similar weapon, Section 2, Subsection a, Paragraph iii implies that any other instrument is capable of causing death or serious injury (and in this case, it can include an expandable baton and other similar weapons).
To be more certain or specific though, if you would like to know if it is permissible to carry or possess a collapsible or expandable baton in Idaho – whether openly or in a concealed manner – it is best to consult your lawyer and/or local law enforcement regarding this matter.