; (B) 1/3 of members are appointed for a term of 3 years; and (C) 1/3 of members are appointed for a term of 2 years. (6) Vacancies (A) In general A vacancy on the Board— (i) shall not affect the powers of the Board; and (ii) shall be filled in the same manner as the original appointment was made by not later than 180 days after the date on which the vacancy occurs. (B) Filling unexpired term An individual chosen to fill a vacancy shall be appointed for the unexpired term of the member replaced. (7) Recommendations Not less frequently than annually, the Board shall submit to the Secretary and the Council recommendations to improve wildland fire research to be included in the report described in subsection (e). (d) Advisory boards (1) In general There is established an advisory board at each regional center, to be known as the Regional Advisory Board . (2) Composition (A) In general Each Regional Advisory Board shall consist of members from, or with responsibility covering, the region covered by the relevant regional center, including at minimum— (i) one regional representative from each wildland fire management agency, appointed by that agency; (ii) one representative from the Council, appointed by the Council; (iii) one representative from a State government agency from each State located in that region, appointed by the governor of that State; (iv) one representative from an Indian Tribe or Tribal organization from that region, elected under subparagraph (B)(i)(II)