; and (B) by striking transmit same by registered mail to the President of the Senate at the seat of government and inserting the following: transmit such certificate and list to the President of the Senate at the seat of government by such method as may be necessary (including overnight delivery or a secure form of electronic transmission) to ensure that such certificate and list is received by the President of the Senate or the Archivist of the United States not later than the second day that follows the date described in section 7 . (4) Demand on district court judge Section 13 of such title is amended— (A) by striking the fourth Wednesday in December and inserting the second day that follows the date described in section 7 ; (B) by striking send a special messenger to and inserting immediately notify ; and (C) by striking shall forthwith transmit that list by the hand of the messenger to the seat of government and inserting shall take such action as may be necessary (including overnight delivery or a secure form of electronic transmission) to ensure that such certificate and list is received by the President of the Senate not later than 24 hours after receipt of the Archivist’s notice . (c) Joint Session for Counting Electoral Votes The first sentence of section 15 of such title is amended by striking the sixth day of January succeeding every meeting of the electors and inserting the following: the second day (or, if such day is a Sunday, the third day) that follows the deadline for the receipt of certificates and votes by the President of the Senate or the Archivist of the United States under section 12 . 3. Extension of Safe Harbor Period for Resolution of Controversy or Contest Regarding Appointment of Electors Section 5 of title 3, United States Code, is amended by striking six days each place it appears and inserting 3 days . 4. Effective Date The amendments made by this Act shall apply with respect to the Presidential election held in November 2020 and each succeeding Presidential election.