All rules, regulations, and orders of departments, institutions, boards, commissions, or other agencies lawfully adopted prior to July 1, 1968, shall continue to be effective until revised, amended, repealed, or nullified pursuant to law.
Colo. Rev. Stat. § 24-1-131, under .Administrative Organization Act of 1968.
Colo. Rev. Stat. § 24-1-131
All rules, regulations, and orders of departments, institutions, boards, commissions, or other agencies lawfully adopted prior to July 1, 1968, shall continue to be effective until revised, amended, repealed, or nullified pursuant to law.