C.R.S. § 12-155-122: Unauthorized practice - penalties.

(1) A person who engages in or works at or offers or attempts to engage in or work at the business, trade, or calling of a residential, journeyworker, or master plumber or plumbing apprentice without an active license, permit, or registration issued under this article 155 is subject to penalties pursuant to section 12-20-407 (1)(a).

(2) A person who engages in or works at or offers or attempts to engage in or work at the business, trade, or calling of a water conditioning contractor, water conditioning installer, or water conditioning principal without an active registration issued under this article 155 is subject to penalties pursuant to section 12-20-407 (1)(a); except that nothing in this subsection (2) limits the ability of a licensed residential, journeyworker, or master plumber, a plumbing apprentice, or a registered plumbing contractor to practice within the person's respective area as authorized by this article 155 with regard to water conditioning appliances.