California Code
ARTICLE 4 - Green Party Presidential Primary Ballot
Section 6862.

6862. A person who believes her or his name may be used as a write-in candidate for President of the United States shall, no later than 21 days before the presidential preference primary election, file an endorsement of her or his write-in candidacy with the Secretary of State, or no votes shall be counted for that write-in candidate.

(Amended by Stats. 2016, Ch. 86, Sec. 106. (SB 1171) Effective January 1, 2017.)