C.R.S. § 18-12-505: Gun show vendors - requirements - penalties.

(1) While participating in a gun show, a gun show vendor shall:

(a) Prominently display a copy of the vendor's federal firearms license and a copy of the vendor's state firearms dealer permit at the vendor's primary place of business at the gun show;

(b) Keep all firearms in the vendor's possession unloaded and securely affixed to the vendor's countertop or wall by use of a plastic tie or electronically monitored wire;

(c) Display and offer for sale or transfer ammunition in compliance with any applicable state or federal law; and

(d) Include with each sold firearm the following information, in writing:

Firearms storage and reporting requirements:

Firearms must be responsibly and securely stored when they are not in use to prevent access by unsupervised juveniles and other unauthorized users. Section 18-12-114, C.R.S.

Firearms left in an unattended vehicle must be stored in accordance with state law. Section 18-12-114.5, C.R.S.

If a firearm is lost or stolen, the owner of the firearm must report the loss or theft to a law enforcement agency not more than five days after discovering that the firearm has been lost or stolen. Section 18-12-113, C.R.S.

(2) A gun show vendor who violates this section commits unlawful gun show vendor activity. Unlawful gun show vendor activity is a class 2 misdemeanor; except that a second or subsequent offense is a class 1 misdemeanor and, pursuant to section 18-12-503 (1)(b), the person who has committed a second or subsequent offense of unlawful gun show vendor activity is prohibited from participating as a vendor at a gun show.