If a business record is in the custody of a state agency and involves the receipt or expenditure of public funds, it is a public record under Colo. Rev. Stat. § 24-72-202(6) and subject to the Open Records Act. Freedom Newspapers Inc. v. Denver & Rio Grande Western R.R., 731 P.2d 740 (Colo. App. 1986).
Some business records in state custody may be specifically exempt from inspection. These include:
Information furnished by employers to the Division of Labor. Colo. Rev. Stat. §§ 8-1-115 and 8-47-202.
Information furnished by securities brokers-dealers to the securities commissioner. Colo. Rev. Stat. § 11-51-703(2). See Griffin v. S.W. Devanney & Co., 775 P.2d 555 (Colo. 1989).
Tax records. Colo. Rev. Stat. § 39-21-113.
Trade secrets. Colo. Rev. Stat. § 8-1-115; Colo. Rev. Stat. § 25-8-405.