(a) Any advisory committee established under this part may be renewed by appropriate action of the Commission and the filing of a new charter. An advisory committee may be continued by such action for successive two-year periods.

(b) Before it renews an advisory committee in accordance with paragraph (a) of this section, the Commission will inform the Administrator by letter, not more than sixty days nor less than thirty days before the committee expires, of the following:

(1) Its determination that a renewal is necessary and in the public interest;

(2) The reasons for its determination;

(3) The Commission's plan to maintain balanced membership on the committee;

(4) An explanation of why the committee's functions cannot be performed by the Commission or by an existing advisory committee.

(c) Upon receipt of the Administrator's notification of concurrence or nonconcurrence, the Commission shall publish a notice of the renewal in the Federal Register, which shall certify that the renewal of the advisory committee is in the public interest and shall include all the matters set forth in paragraph (b) of this section. The Commission shall cause a new charter to be prepared and filed in accordance with the provisions of §§ 16.5 and 16.6 of this part.

(d) No advisory committee that is required under this section to file a new charter for the purpose of renewal shall take any action, other than preparation and filing of such charter, between the date the new charter is required and the date on which such charter is actually filed.