; or (B) was registered as a lobbyist under the Lobbying Disclosure Act of 1995 ( 2 U.S.C. 1601 et seq.) at any time during the 5-year period ending on the date of the appointment. (3) Chairperson The members of the Commission shall select a Chairperson from among the members of the Commission. (4) Date Not later than 1 month after the date of enactment of this Act, all members of the Commission shall be appointed. (5) Period of designation Members shall be appointed for the life of the Commission. Any vacancy in the Commission shall not affect its powers, but shall be filled not later than 14 days after the date on which the vacancy occurs in the same manner as the original appointment. (6) Compensation (A) In general Each member of the Commission shall be compensated at a rate equal to the daily equivalent of the annual rate of basic pay prescribed for a position at level IV of the Executive Schedule under section 5314 of title 5, United States Code, for each day (including travel time) during which such member is engaged in the performance of the duties of the Commission. (B) Travel expenses Members may be allowed travel expenses, including per diem in lieu of subsistence, in accordance with sections 5702 and 5703 of title 5, United States Code, while away from their homes or regular places of business in performance of services for the Commission. (d) Powers of the commission (1) Hearings The Commission may, for the purpose of carrying out this Act— (A) hold such hearings, sit and act at such times and places, take such testimony, receive such evidence, and administer such oaths as the Commission considers advisable to carry out its duties