Conn. Gen. Stat. § 49-31j

The Banking Commissioner shall adopt such regulations, in accordance with chapter 54, as the commissioner deems necessary specifying (1) the manner in which a composite interest rate shall be computed for the new mortgage debt pursuant to subsection (c) of section 49-31i , (2) the method or standard by which prevailing market rates of interest are to be determined, and (3) a form a lender may use to give notice pursuant to section 49-31e to a homeowner of the availability of the provisions of sections 49-31d to 49-31i , inclusive.