Department 1400 - Department of Early Childhood
- Division 1401 - General Early Childhood Administration and Programs (§§ 1401-1.100 — 1401-1.413)
- Division 1402 - Division of Early Learning, Licensing, and Administration (§§ 1402-1-2.100 — 1402-1-2.813)
- Division 1403 - Colorado Child Care Assistance Program (§§ 1403-1-3.100 — 1403-1-3.147)
- Division 1404 - Colorado Universal Preschool Program (§§ 1404-1-4.100 — 1404-1-4.114)
- Division 1405 - Early Intervention Colorado Program (§§ 1405-1-5.100 — 1405-1-5.120)
- Division 1406 - Administrative Appeals for the Colorado Department of Early Childhood (§§ 1406-1-6.100 — 1406-1-6.500)