C.R.S. § 8-12-105

(1) No minor under the age of fourteen shall be permitted employment in this state except as authorized by sections 8-12-104 , 8-12-106 , and 8-12-107 . (2) On school days, during school hours, no minor under the age of sixteen shall be permitted employment except as provided in section 8-12-113 ; and, after school hours, no minor under the age of sixteen shall be permitted to work in excess of six hours unless the next day is not a school day. (3) Except for babysitters, no minor under the age of sixteen shall be permitted to work between the hours of nine-thirty p.m. and five a.m., except as authorized by section 8-12-104 (2), unless the next day is not a school day. (4) Except for the provisions of subsection (5) of this section, no employer shall be permitted to work a minor more than forty hours in a week or more than eight hours in any twenty-four-hour period. In case of emergencies which may arise in the conduct of an industry or occupation (not subject to a wage order promulgated under article 6 of this title) the director may authorize an employer to allow a minor to work more than eight hours in a twenty-four-hour period. In such emergencies an employee shall be paid at a rate of one and one-half times his time rate as determined in accordance with the provisions of section 8-6-106 for each hour worked in excess of forty hours in a week. (5) In seasonal employment for the culture, harvest, or care of perishable products where wages are paid on a piece basis, as determined in accordance with the provisions of section 8-6-106 , a minor fourteen years of age or older may be permitted to work hours in excess of the limitations of subsection (4) of this section; but in no case is he permitted to work more than twelve hours in any twenty-four-hour period nor more than thirty hours in any seventy-two-hour period; except that a minor fourteen or fifteen years of age may work more than eight hours per day on only ten days in any thirty-day period. Overtime wage provisions of subsection (4) of this section shall not apply to this subsection (5).