; (2) in subparagraph (B), by striking 48 hours and all that follows through filed electronically) and inserting 24 hours ; and (3) by striking subparagraph (D). 305. Effective date The amendments made by this title shall apply with respect to reports filed on or after the date of the enactment of this Act. IV Expanding Candidate Access to Advertising 401. Broadcasts by candidates (a) Lowest unit charge Section 315(b)(1)(A) of the Communications Act of 1934 ( 47 U.S.C. 315(b)(1)(A) ) is amended by inserting for preemptible use thereof after station . (b) Preemption; audits Section 315 of the Communications Act of 1934 ( 47 U.S.C. 315 ) is amended— (1) by redesignating subsection (c) as subsection (g) and transferring such subsection, as redesignated, to the end; (2) by redesignating subsection (d) as subsection (f) and transferring such subsection, as redesignated, so that it appears after subsection (e)