(a) Interveners. Responses to the petition must be filed at the time the motion to intervene is filed.

(b) Petitioner. The petitioner may respond to filings of another party within 15 days after service of such filings. Amended pleadings may be filed under Rule 215 (amendments) if the petitioner discovers facts unavailable at the time the initial petition was filed, or if such pleadings are requested or permitted by Staff under Rule 1107 (evaluations).

(c) Sunsetting provisions. This section shall cease to have effect on December 5, 2026, unless the Commission determines that the cessation deadline should be extended to a date not more than 5 years in the future after offering the public an opportunity to provide input on the costs and benefits of this section and considering that input. The Commission will publish a document in the Federal Register announcing its determination and revising or removing this section accordingly.