; and (C) the use and expenditure of funds. (4) Limitation In carrying out any of the Chair’s functions under the provisions of this subsection the Chair shall be governed by general policies of the Commission and by such regulatory decisions, findings, and determinations as the Commission may by law be authorized to make. (5) Requests or estimates related to appropriations Requests or estimates for regular, supplemental, or deficiency appropriations on behalf of the Commission may not be submitted by the Chair without the prior approval of the Commission. (f) Initial quorum established The first member and Chair of the Commission described under subsection (e)(1) shall constitute a quorum for the transaction of business until the President has appointed all 5 members of the Commission in accordance with subsection (c). Following such appointment of 5 members, the quorum requirements of subsection (g) shall apply. (g) No impairment by reason of vacancies No vacancy in the members of the Commission after the establishment of an initial quorum under subsection (f) shall impair the right of the remaining members of the Commission to exercise all the powers of the Commission. Three members of the Commission shall constitute a quorum for the transaction of business, except that if there are only 3 members serving on the Commission because of vacancies in the Commission, 2 members of the Commission shall constitute a quorum for the transaction of business. If there are only 2 members serving on the Commission because of vacancies in the Commission, 2 members shall constitute a quorum for the 6-month period beginning on the date of the vacancy which caused the number of Commission members to decline to 2. (h) Seal The Commission shall have an official seal. (i) Compensation (1) Chair The Chair shall receive compensation at the rate prescribed for level I of the Executive Schedule under section 5313 of title 5, United States Code. (2) Other members of the Commission The 4 other members of the Commission shall each