California Code, Elections Code - ELEC § 13105

(a) In the case of a candidate for a voter-nominated office in a primary election, a general election, or a special election to fill a vacancy in the office of United States Senator, Member of the United States House of Representatives, State Senator, or Member of the Assembly, immediately to the right of and following the name of the candidate, or immediately below the name if there is not sufficient space on the same line to the right of the name, there shall be identified in at least 8-point type, as specified by the Secretary of State, the designation made by the candidate pursuant to Section 8002.5.  The identification shall be in substantially the following form:

(b) In the case of candidates for President and Vice President, the name of the party shall appear to the right of and equidistant from the pair of names of these candidates and on the same line as the name of the candidate for President, or immediately below the name of the vice presidential candidate if there is not sufficient space to the right of the name.

(c) If for a general election any candidate for President of the United States or Vice President of the United States has received the nomination of any additional party or parties, the name(s) shall be printed to the right of the name of the candidate's own party, or immediately below the name if there is not sufficient space to the right of the name.  Party names of a candidate shall be separated by commas.  If a candidate has qualified for the ballot by virtue of an independent nomination, the word “Independent” shall be printed instead of the name of a political party in accordance with the above rules.