(1) Interim reports The Commission may submit to the President and Congress, and make publicly available, interim reports containing such findings, conclusions, and recommendations for corrective measures as have been agreed to by a majority of Commission members. (2) Final report Not later than the date described in paragraph (3)(A), the Commission shall submit to the President and Congress, and make publicly available, a final report containing such findings, conclusions, and recommendations for corrective measures as have been agreed to by a majority of Commission members. (3) Deadline (A) Date described The date described in this subparagraph is October 15, 2021, unless not fewer than 8 members of the Commission vote for a 90-day extension. (B) Number of extensions The Commission may make not more than 3 extensions under subparagraph (A). (C) Notification The Commission shall notify the President, Congress, and the public of each extension under subparagraph (A). (k) Termination (1) In general The Commission, and all the authorities of this section, shall terminate 90 days after the date on which the final report is submitted under subsection (j)(2). (2) Administrative activities before termination The Commission may use the 90-day period referred to in paragraph (1) for the purpose of concluding its activities, including providing testimony to committees of Congress concerning its reports, disseminating the final report, and explaining to the public such reports and the conclusions of the Commission. (l) Funding (1) Authorization of appropriations There is authorized to be appropriated to the Commission such sums as may be necessary for any fiscal year, half of which shall be derived from the applicable account of the House of Representatives, and half of which shall be derived from the contingent fund of the Senate. (2) Duration of availability Amounts made available to the Commission under paragraph (1) shall remain available until the termination of the Commission. (3) Notice The chair shall promptly