Colorado Revised Statutes Title 9. Safety Industrial and Commercial § 9-6-105. Marking for sale

(1) It is unlawful for any person, partnership, or corporation to sell or offer for sale, or take or solicit orders of sale for, or purchase or use, or have on hand or in store for the purpose of sale or use in this state any high explosive that can be detonated by means of a detonator, including without limitation dynamite, detonating cord, cast primers, and cap-sensitive emulsions, slurries, and water gels, or any cartridge or bag containing a blasting agent, or any container used for the packaging of detonators and blasting caps, unless on each container or bag of any such high explosive, blasting agent, detonator, or blasting cap and on each wrapping of the explosive cartridge contained within, there is plainly stamped or printed the name and place of business of the person, partnership, or corporation by which the same was manufactured and a date code or other code identifying the origin of manufacture.

(2) It is unlawful to intentionally remove, alter, or obscure the printed or stamped manufacturer's name and date codes or other identifying codes on the containers used to contain any high explosives, blasting agents, detonators, or blasting caps or on any wrappings thereof.

(3) Mixed binary explosives shall not be subject to the provisions of this section.