; and (iv) Health, Education, Labor, and Pensions of the Senate. (B) The notification under subparagraph (A) shall include a justification for why the Secretaries have determined it is appropriate to begin the process of updating the Dietary Guidelines. (C) Not later than 3 months after sending such notification, the Secretaries shall establish an Independent Advisory Board (hereinafter referred to as the Board ) and jointly appoint 4 members to the Board, no more than 2 of whom may be Federal employees. (D) Not later than 3 months after receiving such notification, the highest-ranking Member on each Committee described in subparagraph (A) of the opposite political party of the President of the United States shall appoint 1 member to the Board. (E) The Board shall consist of no more than 8 members, and a working quorum shall be 4 members present. No meeting of the Board may take place until after 3 months from the date on which the Secretaries send the notification under subparagraph (A). (F) The members appointed to the Board shall have expertise in nutrition science or food science, including academic and applied experience. (G) Not later than 12 months after the date on which the Secretaries send the notification under subparagraph (A), the Board shall generate and send to the Secretaries and the Committees described in subparagraph (A) the questions described in paragraph (2)(C)(i). (H) The authority of the Board shall terminate, and the Board shall disband, immediately after satisfying subparagraph (G). (5) Dietary reference intake updates The Secretaries shall coordinate with the Joint United States-Canada Dietary Reference Intake Working Group to ensure that the Food and Nutrition Board of the National Academies of Sciences, Engineering, and Medicine update the Dietary Reference Intake values to represent the most up-to-date understanding of nutritional science. The Joint United States-Canada Dietary Reference Intake Working Group should initiate at least one Dietary Reference Intake update per year and