California Code, Government Code - GOV § 84217

(a) Statements of candidates for President, Vice President, or United States Senator and committees supporting such candidates--one copy with the Registrar-Recorder of Los Angeles County and one copy with the Registrar of Voters of the City and County of San Francisco;

(b) Statements of candidates for United States Representative in Congress and committees supporting such candidates-one copy with the clerk of the county which contains the largest percentage of the registered voters in the election district which the candidate or any of the candidates seek nomination or election and one copy with the clerk of the county within which the candidate resides or in which the committee is domiciled, provided that if the committee is not domiciled in California the statement shall be sent to the Registrar-Recorder of Los Angeles County.  No more than one copy of each statement need be filed with the clerk of any county.