Conn. Gen. Stat. § 7-403a

(b) Upon the recommendation of the chief executive officer and approval of the budget-making authority and the legislative body, there shall be paid into such reserve fund (1) amounts authorized to be transferred thereto from the general fund cash surplus available at the end of any fiscal year, (2) amounts raised by the annual levy of a tax for the benefit of such fund, and for no other purpose, provided such tax shall be levied and collected in the same manner and at the same time as the regular annual taxes of the municipality, or (3) with respect to a reserve fund for property or casualty losses, the proceeds of bonds, notes or other obligations issued pursuant to subsection (b) of section 7-374b .

(c) The budget-making authority may, from time to time, direct the treasurer to invest such portion of such reserve fund as in its opinion is advisable, provided: (1) Not more than forty per cent, or with respect to a reserve fund for retiree benefits for which the budget-making authority has adopted an asset allocation and investment policy, fifty per cent, of the total amount of the reserve fund shall be invested in equity securities, and (2) any portion of such reserve fund not so invested may be invested in: (A) Bonds or obligations of, or guaranteed by, the state or the United States, or agencies or instrumentalities of the United States, (B) certificates of deposit, commercial paper, savings accounts and bank acceptances, (C) the obligations of any state of the United States or any political subdivision thereof or the obligations of any instrumentality, authority or agency of any state or political subdivision thereof, provided at the time of investment such obligations are rated within the top rating categories of any nationally recognized rating service or of any rating service recognized by the Banking Commissioner, and applicable to such obligations, (D) the obligations of any regional school district in this state, of any municipality in this state or any metropolitan district in this state, provided at the time of investment such obligations of such government entity are rated within one of the top two rating categories of any nationally recognized rating service or of any rating service recognized by the Banking Commissioner, and applicable to such obligations, (E) in any fund in which a trustee may invest pursuant to section 36a-353 , (F) in investment agreements with financial institutions whose long-term obligations are rated within the top two rating categories of any nationally recognized rating service or of any rating service recognized by the Banking Commissioner or whose short-term obligations are rated within the top rating category of any nationally recognized rating service or of any rating service recognized by the Banking Commissioner, or (G) investment agreements fully secured by obligations of, or guaranteed by, the United States or agencies or instrumentalities of the United States.

(d) The treasurer shall submit annually a complete and detailed report of the condition of such fund to the chief executive officer, the budget-making authority and the legislative body and such report shall be made a part of the annual report of the municipality.
agreements fully secured by obligations of, or guaranteed by, the United States or agencies or instrumentalities of the United States.

(d) The treasurer shall submit annually a complete and detailed report of the condition of such fund to the chief executive officer, the budget-making authority and the legislative body and such report shall be made a part of the annual report of the municipality.

(e) Upon the recommendation of the chief executive officer and the budget-making authority and approval by the legislative body, (1) any part or the whole of such fund may be used and appropriated to pay only for property or casualty losses and employee retirement benefits, and expenses related thereto, including court costs and attorneys' fees, incurred by the municipality, or (2) any part or the whole of such fund may be transferred to a trust established to hold and invest the assets of a pension, retirement or other postemployment health and life benefit system of the municipality. Any unexpended portion of such appropriation remaining after such payment, together with all interest accruing on the balance in the fund, shall revert to and be credited to such reserve fund. For the purposes of this section, “property or casualty losses and employee retirement benefits” shall include, but not be limited to, (A) motor vehicle liability, physical damage and collision, (B) loss or damage to, or legal liability for, real or personal property, (C) legal liability for personal injuries or deaths, including but not limited to, workers' compensation and heart and hypertension, and (D) retiree health and life benefits.

(f) Such fund may be discontinued, after recommendation by the chief executive officer and the budget-making authority to the legislative body and upon approval of such body, and to the extent there is any remaining portion of such fund, the fund shall be converted into, or added to, a sinking fund to provide for the retirement of the bonded indebtedness of the municipality. If the municipality has no bonded indebtedness, such fund shall be transferred to the general fund of the municipality.