California Code, Elections Code - 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:

(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.”