Colo. Const. art. XXVIII, § 16

To aid in enforcement of this measure concerning sole source contracts, the executive director of the department of personnel shall promptly publish and maintain a summary of each sole source government contract issued. Any contract holder of a sole source government contract shall promptly prepare and deliver to the executive director of the department of personnel a true and correct "Government Contract Summary," in digital format as prescribed by that office, which shall identify the names and addresses of the contract holders and all other parties to the government contract, briefly describe the nature of the contract and goods or services performed, disclose the start and end date of the contract, disclose the contract's estimated amount or rate of payment, disclose the sources of payment, and disclose other information as determined by the executive director of the department of personnel which is not in violation of federal law, trade secrets or intellectual property rights. The executive director of the department of personnel is hereby given authority to promulgate rules to facilitate this section.