; and (2) notify the candidate of the Commission’s determination. (b) Revocation of certification (1) In general The Commission may revoke a certification under subsection (a) if— (A) a candidate fails to qualify to appear on the ballot at any time after the date of certification; or (B) a candidate otherwise fails to comply with the requirements of this title, including any regulatory requirements prescribed by the Commission. (2) Repayment of benefits If certification is revoked under paragraph (1), the candidate shall repay to the Fund an amount equal to the value of benefits received under this title plus interest (at a rate determined by the Commission) on any such amount received. C Benefits 521. Benefits for participating candidates (a) In general For each election with respect to which a candidate is certified as a participating candidate under section 514, such candidate shall be entitled to— (1) an allocation from the Fund to make or obligate to make expenditures with respect to such election, as provided in section 522; (2) matching contributions, as provided in section 523; (3) enhanced matching contributions, as provided in section 524; and (4) for the general election, vouchers for broadcasts of political advertisements, as provided in section 525. (b) Restriction on uses of allocations from the fund Allocations from the Fund received by a participating candidate under section 522, matching contributions under section 523, and enhanced matching contributions under section 524 may only be used for campaign-related costs. (c) Remitting allocations from the fund (1) In general Not later than the date that is 45 days after an election in which the participating candidate appeared on the ballot, such participating candidate shall remit to the Commission for deposit in the Fund an amount equal to the lesser of— (A) the amount of money in the candidate’s campaign account