ELEC § 407

(a) Notwithstanding Section 14212, Section 4005, or any other law, on election day a county elections official may extend the time for closing the polls at any polling place if the county elections official determines, in consultation with the county counsel, in the official’s discretion, that voting at the polling place was disrupted as a result of a violation of Section 403 or 404 or subdivision (a) of Section 18370.

(b) If the time for closing the polls is extended pursuant to subdivision (a), all votes cast during the time that the closing of the polls is extended shall be by provisional ballot. Any provisional ballots cast pursuant to this subdivision shall be separated and held apart from other provisional ballots cast by voters prior to the time the closing of the polls was extended.