Cal. Gov. Code § 85200
Prior to the solicitation or receipt of any contribution or loan, an individual who intends to be a candidate for an elective state office, as that term is defined by Section 82024, shall file with the Secretary of State an original statement, signed under penalty of perjury, of intention to be a candidate for a specific office.
An individual who intends to be a candidate for any other elective office shall file the statement of intention with the same filing officer and in the same location as the individual would file an original campaign statement pursuant to subdivisions (b), (c), and (d) of Section 84215.
For purposes of this section, "contribution" and "loan" do not include any payments from the candidate's personal funds for a candidate filing fee or a candidate statement of qualifications fee.
Ca. Gov. Code § 85200