If the corporation makes a determination that an overpayment of special financial assistance, including an overpayment of special financial assistance described in paragraph (2)(A), was made under this section, the applicable multiemployer plan (or a successor plan) shall pay, not later than 30 days after the date of such determination, to the corporation an amount equal to the total amount of overpayment of special financial assistance to the applicable multiemployer plan, adjusted by the corporation for interest (using the interest rate used in determining the amount of special financial assistance under subsection (e)(2)) for the period beginning on the date on which the special financial assistance was provided to such plan and ending on the date that such plan makes the payment required under this paragraph. (2) Recovery in case of deceased participant or beneficiary (A) Determination Not later than 45 days after the later of the date on which an audit conducted under subparagraph (B) is complete or the date on which the hearing described in subparagraph (C) occurs, the corporation shall make a determination of the total amount of special financial assistance paid to the applicable multiemployer plan on behalf of participants or beneficiaries determined to be deceased, which shall be deemed an overpayment of special financial assistance. (B) Audit (i) In general Not later than 6 months after the date of enactment of this subsection or, in the case of an eligible multiemployer plan to which special financial assistance is provided under this section after the date of enactment of this subsection, 6 months after the date on which such assistance is provided, the corporation shall audit the census data maintained by an eligible multiemployer plan to which such assistance was provided to determine— (I) whether any of such assistance was provided on behalf of a participant or beneficiary who was deceased as of the date such assistance was provided