Cal. ELEC § 13206.5

(a) (1) On the ballot used in a statewide general election in each year evenly divisible by the number four, immediately before or above the contest for President, the following words shall be printed: “Party-Nominated Offices Candidates for these offices are the official nominee of the party displayed with their name.” (2) On the ballot used in a statewide general election in each year evenly divisible by the number four, following the portion of the ballot for party-nominated offices, the following words shall be printed: “Voter-Nominated and Nonpartisan Offices Candidates display a party preference (or None) for the information of voters. This is not a party endorsement or approval.” (b) On the ballot used in a statewide general election in each even-numbered year that is not evenly divisible by the number four, immediately below the instructions to voters, the following words shall be printed: “Voter-Nominated and Nonpartisan Offices Candidates display a party preference (or None) for the information of voters. This is not a party endorsement or approval.”