Any vacancy in the Commission shall be filled in the same manner in which the original appointment was made. A member may serve after the expiration of his term until his successor has taken office.
Members of the Commission shall serve without compensation, as such, but the Secretary is authorized to pay, upon vouchers signed by the Chairman, the expenses reasonably incurred by the Commission and its members in carrying out their responsibilities under this subchapter.
The Commission shall act and advise by affirmative vote of a majority of the members thereof.