Colorado Revised Statutes Title 5. Consumer Credit Code § 5-16-115. License--registration--unlawful acts

(a) Conduct the business of a collection agency or advertise or solicit, either in print, by letter, in person, or otherwise, the right to make collection or obtain payment of any debt on behalf of another without having obtained a license under this article 16; or

(b) Conduct the business of a collection agency under any name other than that under which licensed.