Page 273
House Bill No. 5506
Public Act No. 22-118 273 of 739
member's retirement to the date such amount is refunded. [(e) Upon determination that a member has not purchased additional credited service which was invoiced to him in an amount in excess of that permitted by law, such member shall be given the opportunity at any time to make such purchase by the payment of the proper amount with interest to the date of payment. The additional benefit resulting from the credited service so purchased shall be made retroactive to the date of the member's retirement, and the aggregate amount of such additional benefit shall be paid to the member in a single payment together with interest calculated at a rate equal to the average of interest rates for the most recent ten-year period from the date each payment was due to the date such payment is made.] [(f)] (e) Upon determination by the [Teachers' Retirement Board] board that a member received, on or after November 1, 2008, an estimate of benefits statement from the board that contained a material error, the board shall pay the member the benefits set forth in such estimate if the board determines that (1) the member could not reasonably have been expected to detect such error, and (2) the member, in reliance upon such estimate, irrevocably submitted (A) his or her resignation to the employing board of education, and (B) a formal application of retirement to the [Teachers' Retirement Board] board. For purposes of this subsection, "material error" means an error that amounts to a difference of ten per cent or greater between the estimated retirement benefits and the actual retirement benefits to which such member would otherwise be entitled. Sec. 186. Section 10-183gg of the general statutes is repealed and the following is substituted in lieu thereof (Effective July 1, 2022): Part-time service averaging at least one-half of a school day but less than a full school day shall be treated as full-time service for purposes of determining eligibility for benefits under this chapter. For purposes