C.R.S. § 35-43-101: Brands on livestock - evidence.

It is lawful to mark cattle and horses with the owner's brand. When animals are brought into this state from another state or a territory in transit from beyond the boundaries of this state, the brand, or a copy thereof, duly certified to by the proper officer in each state or territory, shall be received in evidence, with like force and effect as a brand duly recorded in this state.