; or (ii) communicates a message relating to any political matter of national importance, including— (I) a candidate; (II) any election to Federal office; or (III) a national legislative issue of public importance. (5) Time to maintain file The information required under this subsection shall be made available as soon as possible and shall be retained by the online platform for a period of not less than 4 years. (6) Penalties For penalties for failure by online platforms, and persons requesting to purchase a qualified political advertisement on online platforms, to comply with the requirements of this subsection, see section 309. . (b) Rulemaking Not later than 90 days after the date of the enactment of this Act, the Federal Election Commission shall establish rules— (1) requiring common data formats for the record required to be maintained under section 304(j) of the Federal Election Campaign Act of 1971 (as added by subsection (a)) so that all online platforms submit and maintain data online in a common, machine-readable and publicly accessible format; and (2) establishing search interface requirements relating to such record, including searches by candidate name, issue, purchaser, and date. (c) Reporting Not later than 2 years after the date of the enactment of this Act, and biannually thereafter, the Chairman of the Federal Election Commission shall submit a report to Congress on— (1) matters relating to compliance with and the enforcement of the requirements of section 304(j) of the Federal Election Campaign Act of 1971, as added by subsection (a); (2) recommendations for any modifications to such section to assist in carrying out its purposes