Elections Code section 19303

If the voting machine is so constructed that a voter can cast a vote in part for presidential electors of one party and in part for those of one or more other parties or those not nominated by any party, it may also be provided with: (a)one device for each party for voting for all the presidential electors of that party by one operation, (b)a ballot label therefor containing only the words “presidential electors” preceded by the name of the party and followed by the names of its candidates for the offices of President and Vice President, and (c)a registering device therefor which shall register the vote cast for the electors when thus voted collectively.
If a voting machine is so constructed that a voter can cast a vote in part for delegates to a national party convention of one party and in part for those of one or more other parties or those not nominated by any party, it may be provided with one device for each party for voting by one operation for each group of candidates to national conventions that may be voted for as a group according to the law governing presidential primaries.
No straight party voting device shall be used except for delegates to a national convention or for presidential electors.

Source: Section 19303, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=ELEC§ionNum=19303.­ (updated Jan. 1, 1994; accessed Jun. 25, 2025).

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Verified:
Jun. 25, 2025

§ 19303's source at ca​.gov