Cal. Gov't Code § 85201

(a) Before the solicitation or receipt of any contribution or loan, a candidate who has filed a statement of intention pursuant to Section 85200 shall establish one campaign contribution account at an office of a financial institution located in the state.
(b) As required by subdivision (f) of Section 84102, a candidate who raises contributions of two thousand dollars ($2,000) or more in a calendar year shall set forth the name and address of the financial institution where the candidate has established a campaign contribution account and the account number on the committee registration filed pursuant to Sections 84101 and 84103.
(c) All contributions or loans made to the candidate, to a person on behalf of the candidate, or to the candidate’s controlled committee shall be deposited in the account.
(d) Any personal funds which will be utilized to promote the election of the candidate shall be deposited in the account prior to expenditure.
(e) All campaign expenditures shall be made from the account.
(f) Subdivisions (d) and (e) do not apply to a candidate’s payment for a filing fee and statement of qualifications from the candidate’s personal funds.
(g) This section does not apply to a candidate who will not receive contributions and who makes expenditures from personal funds of less than two thousand dollars ($2,000) in a calendar year to support the candidate’s candidacy. For purposes of this section, a candidate’s payment for a filing fee and statement of qualifications shall not be included in calculating the total expenditures made.
(h) An individual who raises contributions from others for that individual’s campaign, but who raises or spends less than two thousand dollars ($2,000) in a calendar year, and does not qualify as a committee under Section 82013, shall establish a campaign contribution account pursuant to subdivision (a), but is not required to file a committee registration pursuant to Section 84101 or other statement of bank account information.