; (2) the head of the Office; (3) a Director; or (4) a member or committee of Congress. (b) Members (1) Appointment (A) In general Members of the Board of Advisors shall be appointed by the head of the Office, on the recommendation of the National Academy of Sciences. (B) Funding (i) In general There are authorized to be appropriated to the Office such sums as are necessary for the National Academy of Sciences to make recommendations under subparagraph (A). (ii) Transfer The head of the Office shall transfer to the National Academy of Sciences any amounts appropriated under clause (i). (2) Size of Board (A) In general Subject to subparagraph (B), the Board of Advisors shall be composed of not less than 10 members that provide diverse and fair representation of frontline communities and allies of frontline communities, 1 of whom shall be designated chairperson. (B) Additional members At the discretion of the head of the Office, on the recommendation of the National Academy of Sciences, additional members representing frontline communities or allies of frontline communities may be added to the Board of Advisors on an interim or permanent basis. (3) Qualifications Each member of the Board of Advisors shall be— (A) (i) a representative of a frontline community; or (ii) an ally of a frontline community