Conn. Gen. Stat. § 4a-57

(b) The commissioner may, at the commissioner's discretion, waive the requirement of competitive bidding or competitive negotiation in the case of minor nonrecurring or emergency purchases of twenty-five thousand dollars or less in amount.

(c) The commissioner shall adopt regulations, in accordance with the provisions of chapter 54, establishing (1) standards and procedures for using competitive negotiation for purchases and contracts, including but not limited to, criteria which shall be considered in making purchases by competitive negotiation and the weight which shall be assigned to each such criterion, and (2) standards and procedures under which additional purchases may be made under existing contracts.

(d) The commissioner, in consultation with the Commissioner of Energy and Environmental Protection and with the approval of the Secretary of the Office of Policy and Management, may waive the requirement of competitive bidding or competitive negotiation in the case of a purchase of cars or light-duty trucks in order to comply with any provisions of the general statutes regarding the purchase of alternative fuel vehicles or any such requirement of federal law.

(e) (1) The purchase of or contract for the following public utility services shall not be subject to competitive bidding or competitive negotiation: (A) Electric distribution services; (B) water services; (C) gas distribution services; (D) electric generation services until the date such services are competitive pursuant to the schedule set forth in section 16-244b , provided electric generation services shall be exempt from competitive bidding and competitive negotiation after said date if such services are provided by an electric municipal utility other than by a participating electric municipal utility, as defined in section 16-1 , in the service area of said electric municipal utility; and (E) gas supply services until the date such services are competitive pursuant to legislative act or order of the Public Utilities Regulatory Authority, provided gas supply services shall be exempt from competitive bidding and competitive negotiation after said date if such services are provided by a gas municipal utility in the service area of said gas municipal utility.

(2) Any purchase of or contract by the department for electric generation services that are subject to competitive bidding and competitive negotiations shall be conducted in cooperation with the Department of Energy and Environmental Protection pursuant to section 16a-14e .

(f) The commissioner shall post any contract entered into under this section that has not been subject to competitive bidding or competitive negotiation on the Internet web site of the Department of Administrative Services, except for minor nonrecurring or emergency purchases in an amount of twenty-five thousand dollars or less. Nothing in this subsection shall be construed to require the disclosure of any information not required to be disclosed under subsection (b) of section 1-210 .

(g) Nothing in this section shall be construed to apply to the award of janitorial or service contracts pursuant to the provisions of subsections (b) to (d), inclusive, of section 4a-82 .

See Sec. 22a-194g re purchase of new product manufactured using any controlled substance.

Cited. 220 C. 689; 233 C. 254; Id., 281.