ELEC §3015: (a) Notwithstanding subdivision (f) of Section 14310, vote by mail voters who return to the polling place designated for their home precincts on or before election day, or go to a vote center establis

(a) Notwithstanding subdivision (f) of Section 14310, vote by mail voters who return to the polling place designated for their home precincts on or before election day, or go to a vote center established pursuant to Section 4005, or to the office or satellite office of an elections official where voting is permitted, shall be permitted to vote nonprovisional ballots if either of the following conditions is satisfied: (1) They surrender their vote by mail voter ballots to the inspector of the precinct board, a member of the vote center election board, or the elections official. (2) They are unable to surrender their vote by mail voter ballots pursuant to paragraph (1) but the precinct board, vote center election board, or elections official does all of the following: (A) Verifies that they have not returned their vote by mail ballots. (B) Notates their voter records to ensure that their vote by mail ballots are not cast or tabulated after they vote at the polls. (b) The precinct board and vote center election board shall return the unused vote by mail voters’ ballots surrendered pursuant to subdivision (a) to the elections official in an envelope designated for this purpose.