; and (ii) no participating insurer that has met its insurer deductible shall be liable for the payment of any amounts under subparagraph (B). (B) Insurer share (i) In general For purposes of subparagraph (A), the Secretary shall determine the pro rata share of insured losses to be paid by each participating insurer that incurs insured losses under the Program, except that, notwithstanding paragraph (1) or any other provision of Federal or State law, no participating insurer may be required to make any payment for insured losses in excess of its deductible under section 3(8) combined with its share of insured losses under paragraph (1)(A) of this subsection. (ii) Regulations Not later than 90 days after the date of enactment of this Act, the Secretary shall issue final regulations for determining the pro rata share of insured losses under the Program when insured losses exceed $750,000,000,000, in accordance with clause (i). (iii) Report to congress Not later than 120 days after the date of enactment of this Act, the Secretary shall provide a report to the Committee on Banking, Housing, and Urban Affairs of the Senate and the Committee on Financial Services of the House of Representatives describing the process to be used by the Secretary for determining the allocation of pro rata payments for insured losses under the Program when such losses exceed $750,000,000,000. (3) Notice to congress The Secretary shall notify the Congress if estimated or actual aggregate insured losses exceed $750,000,000,000 during any calendar year. The Secretary shall provide an initial notice to Congress not later than 15 days after the end of a covered public health emergency, stating whether the Secretary estimates that aggregate insured losses will exceed $750,000,000,000. (4) Final netting The Secretary shall have sole discretion to determine the time at which claims relating to any insured loss or covered public health emergency shall become final. (5) Determinations final Any determination of the Secretary under this subsection