California Code
ARTICLE 4 - Issuing Ballots and Voting
Section 14290.

14290. The precinct board shall immediately cancel, without unfolding them, all the spoiled ballots returned. The board shall write the word “spoiled” on the back of each spoiled ballot in ink or indelible pencil and return the spoiled ballots with the unused ballots.

(Enacted by Stats. 1994, Ch. 920, Sec. 2.)