California Code, Elections Code - ELEC § 13205

(a) In a primary election at which candidates for delegate to national convention are to be voted upon, the instructions shall read:

“To vote for the group of candidates preferring a person whose name appears on the ballot, mark the voting target next to the name of the person preferred. To vote for a group of candidates not expressing a preference for a particular candidate, mark the voting target next to the name of the chairman of the group.”

(b) In elections when electors of President and Vice President of the United States are to be chosen, there shall be placed upon the ballot, in addition to the instructions to voters as provided in this chapter, an instruction as follows:

“To vote for all of the electors of a party, mark the voting target next to the names of the presidential and vice presidential candidates of that party. A mark of the voting target next to the name of a party and its presidential and vice presidential candidate, is a vote for all of the electors of that party, but for no other candidates.”

(c) If a group of candidates for electors has been nominated under Chapter 3 (commencing with Section 8400) of Division 8, and has under Chapter 1 (commencing at Section 8300) of Division 8 designated the names of the candidates for President and Vice President of the United States for whom those candidates have pledged themselves to vote, the instructions to voters shall also contain the following:

“To vote for those electors who have pledged themselves to vote for a candidate for President and Vice President not supported by any particular party mark the voting target next to the names of those presidential and vice presidential candidates.”

(d) If a group of candidates for electors has been nominated by a party not qualified to participate in the election, the instructions to voters shall also contain the following:

“To vote for those electors who have pledged themselves to vote for a candidate for President and for Vice President of any party not qualified to participate in the election write in the names and party of those presidential and vice presidential candidates in the blank space provided for that purpose.”