The National Museum shall be under a Board of Trustees with the duties, powers, and authority specified in this section.
At least 7 of the 23 members appointed under subparagraphs (C) and (D) of paragraph (1) shall be Indians.
The trustee appointed under paragraph (1)(B) shall serve at the pleasure of the Board of Regents. The terms of the trustees appointed under subparagraph (C) or (D) of paragraph (1) shall be 3 years, beginning on the date of the transfer of the Heye Foundation assets to the Smithsonian Institution.
A majority of the members of the Board of Trustees then in office shall constitute a quorum.
Members of the Board shall be entitled (to the same extent as provided in section 5703 of title 5 with respect to employees serving intermittently in the Government service) to per diem, travel, and transportation expenses for each day (including travel time) during which they are engaged in the performance of their duties.