Colorado Revised Statutes Title 8. Labor and Industry § 8-12-108. Permissible occupations at age fourteen

(a) Nonhazardous occupations in manufacturing;

(b) Public messenger service and errands by foot, bicycle, and public transportation;

(c) Operation of automatic enclosed freight and passenger elevators;

(d) Janitorial and custodial service, including the operation of vacuum cleaners and floor waxers;

(e) Office work and clerical work, including the operation of office equipment;

(f) Warehousing and storage, including unloading and loading of vehicles;

(g) Nonhazardous construction and nonhazardous repair work. The operation of motor vehicles shall be subject to article 2 of title 42, C.R.S.

(h) Occupations in retail food service;

(i) Occupations in gasoline service establishments, including but not limited to dispensing gasoline, oil, and other consumer items, courtesy service, car cleaning, washing, and polishing, the use of hoists where supervised, and changing tires;  except that no minor may inflate or change any tire mounted on a rim equipped with a removable retaining ring. The operation of motor vehicles shall be subject to article 2 of title 42, C.R.S.

(j) Occupations in retail stores, including cashiering, selling, modeling, art work, work in advertising departments, window trimming, price marking by hand or machine, assembling orders, packing and shelving, or bagging and carrying out customers' orders;

(k) Occupations in restaurants, hotels, motels, or other public accommodations, except the operation of power food slicers and grinders;

(l) Occupations related to parks or recreation, including but not limited to recreation aides and conservation projects;

(m) Any other occupation which is similar to those enumerated in this subsection (l) and not specifically prohibited by this article.