Except as provided in Chapter 1 (commencing with Section 17700) of Division 2 of Title 2, any person in this state who manufactures or causes to be manufactured, imports into the state, keeps for sale, or offers or exposes for sale, or who gives, lends, or possesses any undetectable firearm is punishable by imprisonment in a county jail not exceeding one year or imprisonment pursuant to subdivision (h) of Section 1170.

Any firearm detection equipment newly installed in a nonfederal public building in this state shall be of a type identified by either the United States Attorney General, the Secretary of Transportation, or the Secretary of the Treasury, as appropriate, as available state-of-the-art equipment capable of detecting an undetectable firearm, while distinguishing innocuous metal objects likely to be carried on one’s person sufficient for reasonable passage of the public.

Except as provided in Chapter 1 (commencing with Section 17700) of Division 2 of Title 2, any undetectable firearm is a nuisance and is subject to Section 18010.