to its pledge made in accordance with subsection (a)(4)(D) and within 10 years of such receipt, an amount equal to such payment, together with interest on such amount sufficient to cover the costs to the Secretary of borrowing such amounts pursuant to this paragraph. The Secretary shall cover any amounts repaid pursuant to this paragraph into the general fund of the Treasury. 3. Reporting (a) By States (1) Annual reports The Secretary shall require the State insurance regulator for each participating State to submit a report annually to the Secretary regarding each covered event resulting in payment under section 2(b)(1), during the period that any payment amounts for such event have not been fully repaid in accordance with section 2(b)(4), regarding insured losses in the State resulting from such covered event, additional such insured losses expected to be incurred, including the timing of such losses, and any progress in repayment to the Secretary for the Federal payments made. (2) Final report The Secretary shall require the State insurance regulator for each participating State receiving a payment under section 2(b)(1) in connection with a covered event to submit to the Secretary, upon full repayment of all such payments made in connection with such covered event, a final report containing such information as the Secretary shall require. 4. General authority (a) General authority The Secretary shall have the powers and authorities necessary to carry out the Program, including authority— (1) to investigate and audit all claims for a covered event in a State for which payments have been made by the Secretary under the Program