Conn. Gen. Stat. § 7-620e

The bonds of a municipality issued under sections 7-620 to 7-620e , inclusive, are hereby made securities in which all public officers and bodies of this state and all municipalities and municipal subdivisions, all insurance companies and associations and other persons carrying on an insurance business, all banks, bankers, trust companies, savings banks and savings associations, including savings and loan associations, investment companies and other persons carrying on a banking business, all administrators, guardians, executors, trustees and other fiduciaries, and all other persons whatsoever who are now or may hereafter be authorized to invest in bonds or in other obligations of the state, may properly and legally invest funds, including capital, in their control or belonging to them. The bonds are also hereby made securities which may be deposited with and may be received by all public officers and bodies of the state and all municipalities for any purpose for which the deposit of bonds or other obligations of the state is now or may hereafter be authorized. Whether or not the bonds are of such form and character as to be negotiable instruments under the terms of the Uniform Commercial Code, the bonds are hereby made negotiable instruments within the meaning of and for all purposes of the Uniform Commercial Code, subject only to the provisions of the bonds for registration.