Cal. Elections Code § 13502.5

(a) This section applies to a nonpartisan ballot provided to a voter who has declined to disclose a political party preference for use in voting in a presidential primary election. (b) (1) A notice shall be printed on the ballot, in substantially the following form, that advises the voter of at least the following information: (A) You are registered as a No Party Preference voter and therefore ineligible to vote for a presidential candidate unless you request and vote a partisan ballot. (B) The following parties allow a No Party Preference voter to vote in their presidential primaries: [list of parties]. You may request a ballot to vote in one of these primaries from your county elections official. (2) The notice printed on the ballot shall also advise the voter that they may find the additional information described in subdivision (c) in the voter information guide or on the county elections official’s internet website. (c) The notice printed on the ballot may advise the voter of additional information, including the following: (1) A list of means available in the county for the voter to request a partisan ballot. (2) A statement that if the voter wishes to vote in the presidential primary of a party that does not permit a No Party Preference voter to vote, the voter must update their voter registration and request the ballot of that party. (3) A list of means available in the county for the voter to request a remote accessible vote by mail ballot, in case the voter is unable to request and receive a partisan ballot in time to return it for an upcoming election. (4) A description of the county’s procedures for accepting and processing a remote accessible vote by mail ballot.