Conn. Gen. Stat. § 3-20c
The provisions of section 4-89 shall not apply to any appropriations for debt service on bonds, notes or other obligations of the state not expended during the fiscal year used to fund an account established to moderate the effect of interest rate fluctuations on variable rate debt of the state issued under section 3-20 or to place the obligation of the state, as represented by any bonds or notes, on an interest rate or cash flow basis as provided by subsection (c) of section 3-20a. Such appropriations shall not lapse except pursuant to the provisions of any trust instrument or other agreement established in connection with such variable rate debt, or such different interest rate or cash flow basis.
Conn. Gen. Stat. § 3-20c
(P.A. 88-319, S. 6, 7; June Sp. Sess. P.A. 91-4, S. 4, 25; P.A. 98-124, S. 3, 12.)