11 CFR § 108.7 - Effect on State law (52 U.S.C. 30143).
(a) The provisions of the Federal Election Campaign Act of 1971, as amended, and rules and regulations issued thereunder, supersede and preempt any provision of State law with respect to election to Federal office.
(b) Federal law supersedes State law concerning the—
(1) Organization and registration of political committees supporting Federal candidates;
(2) Disclosure of receipts and expenditures by Federal candidates and political committees; and
(3) Limitation on contributions and expenditures regarding Federal candidates and political committees.
(c) The Act does not supersede State laws which provide for the—
(1) Manner of qualifying as a candidate or political party organization;
(2) Dates and places of elections;
(3) Voter registration;
(4) Prohibition of false registration, voting fraud, theft of ballots, and similar offenses;
(5) Candidate's personal financial disclosure; or
(6) Application of State law to the funds used for the purchase or construction of a State or local party office building to the extent described in 11 CFR 300.35.