Section 14217 Of Article 2. Election Day Procedures From California Elections Code >> Division 14. >> Chapter 3. >> Article 2.

. If the precinct board is unable to find a voter's name upon the index of registration, it shall inform the voter that he or she may cast a provisional ballot and the procedure for doing so. If the voter elects to cast a provisional ballot, the precinct board shall furnish the voter with a provisional ballot, in accordance with Section 14310.