; and (2) by striking the Secretary and the Administrator and inserting each of the agency heads authorized to provide additional paid leave under this section . 320. Millennium Challenge Corporation compact extensions Notwithstanding the limitations in sections 609(j) and 616 of the Millennium Challenge Act of 2003 ( 22 U.S.C. 7708(j) , 7715), the Millennium Challenge Corporation may extend any compact in effect or assistance provided as of January 29, 2020, for up to one additional year, to account for delays related to COVID–19. The Corporation shall provide the appropriate congressional committees with a justification prior to providing any such extension. 321. Annual National Intelligence Estimate and briefing on novel diseases and pandemic threats (a) In general The National Security Act of 1947 ( 50 U.S.C. 3001 et seq.) is amended by adding at the end the following new section: 1109. Annual National Intelligence Estimate and briefing on novel diseases and pandemic threats (a) Definition of appropriate committees of Congress In this section, the term appropriate committees of Congress means— (1) the Committee on Foreign Relations, the Select Committee on Intelligence, and the Committee on Health, Education, Labor, and Pensions of the Senate