Do you work under the supervision of a Principal Broker in Colorado ?
S/he ought to be able to educate you on this matter.
Otherwise, the Real Estate Laws, Rules and Regulations regulate your activity, and you'll probably need the permission of the Listing Agent for each such Listing you wish to advertise . . . . and I think it would be wise to always get that permission "in writing".
Dale C. Hittle of GOLDEN RULE PROPERTIES in Glover, Vermont
Where We're Always Striving To Put Together "THE FAIR DEAL"