12-155-125. Plumbing contractors - requirement to display registration identification - mast

12-155-125. Plumbing contractors - requirement to display registration identification - master plumber of contractor. (1) On and after July 1, 2025, a plumbing contractor shall display the following information on the plumbing contractor's vehicle or vehicles, billing materials, bid sheets, and website: (a) The plumbing contractor's Colorado registration identification number; and (b) The Colorado registration identification number for the master plumber attached to the plumbing contractor.