; or (2) refuse to certify any candidate under this section if such candidate has violated the rules of this title in any preceding election for Federal office in which such candidate was a participating candidate. 504. Use of democracy dollars (a) In general (1) Transfer of democracy dollars to participating candidates An eligible individual may transfer democracy dollars to participating candidates in increments that are multiples of $10. In any case in which an individual transfers an amount that is not a multiple of $10, such amount shall be treated as a transfer in amount equal to the next lowest multiple of $10. (2) Amounts treated as contributions The amount of any democracy dollars transferred by an eligible individual to a participating candidate shall be treated as a contribution by such eligible individual to the principal campaign committee of the participating candidate for purposes of this Act, including section 304 (relating to reports by political committees) and 315 (relating to limitations on contributions). (3) Amounts transferred into democracy dollars account (A) In general Except as provided in subsection 506(b), not later than 5 business days after receiving notice of a transfer of democracy dollars to a candidate, the Commission shall pay into the democracy dollar account of a participating candidate an amount equal to the value of the democracy dollars so transferred to such candidate. (B) Minimum amounts Notwithstanding subparagraph (A), the Commission under regulations may require a minimum value threshold of democracy dollars transferred to a particular candidate before making a payment under subparagraph (A). (b) Use of amounts in accounts (1) Permissible uses Amounts in a democracy dollars account may be used— (A) for otherwise authorized expenditures in connection with the campaign for Federal office of the candidate