Cal. Elec. Code § 7843

In each year of the general election at which electors of President and Vice President of the United States are to be chosen, the convention meeting of the state central committee shall also nominate as the candidates of its party as many electors of President and Vice President of the United States as the state is then entitled to, 50 percent of whom shall be women and 50 percent men, unless an odd number of electors is to be chosen, in which case the difference between the number of women and men shall be not more than one. The chairperson of the state central committee shall certify the name of each elector nominated, and the elector’s residence address to the Secretary of State.