accruing at rate based upon cost of funds to state, inserted new Subsec. (a)(2) re authority electing to enter into agreement with homeowner and accrual of any interest on payments made by authority, amended Subsec. (c) to replace “shall establish written procedures for” with “may, at the discretion of the authority, waive any right of the authority to conduct” and amended Subsec. (e) to add provisions re authority having discretion re denying assistance and requiring repayment, repayment being in lump sum or installments and payment of interest at maximum rate allowed under Sec. 37-4.