C.R.S. § 18-18-403
18-18-403. Additional definition
18-18-403. Additional definition. As used in this part 4, unless the context otherwise requires:
(1) "Sale" includes a barter, an exchange, or a gift, or an offer therefor, and each such transaction made by any person, whether as the principal, proprietor, agent, servant, or employee, with or without remuneration.