Colorado Revised Statutes Title 35. Agriculture § 35-54-104. Purchaser must show bill of sale

It is the duty of any person who purchases or receives, or has in his possession, any such livestock, either for himself or for another, to exhibit, on reasonable request to any person inquiring therefor, the bill of sale of such livestock, if in his power to do so, and if not in his power to do so, to state and give the reason therefor. Any person violating or failing to comply with the provisions of this section shall be deemed guilty and liable to punishment as provided in section 35-54-102.