; and (B) at additional times at the call of the Chairman. (2) Exercise of powers (A) In general The Commission shall perform the functions and exercise the powers of the Commission on a majority vote of a quorum of the Commission. Three members of the Commission shall constitute a quorum for the transaction of business. (B) Vacancies A vacancy on the Commission shall not impair the authority of a quorum of the Commission to perform the functions and exercise the powers of the Commission. (g) Compensation (1) In general Each member of the Commission who is not an officer or employee of the Federal Government shall be compensated at the daily rate of basic pay for level IV of the Executive Schedule for each day during which such member is engaged in performing a function of the Commission. (2) Expenses A member of the Commission shall be paid travel, per diem, and other necessary expenses under subchapter I of chapter 57 of title 5, United States Code, while traveling away from such member’s home or regular place of business in the performance of the duties of the Commission. (h) Termination The Commission shall terminate 90 days after the date of the submission of its report pursuant to subsection (b).