Cal. Elec. Code § 15702

For purposes of Section 2.5 of Article II of the California Constitution, “vote” includes all action necessary to make a vote effective in any primary, special, or general election, including, but not limited to, voter registration, any other act prerequisite to voting, casting a ballot, and having the ballot counted properly and included in the appropriate totals of votes cast with respect to candidates for public office and ballot measures.