39 CFR 3022.41: Satisfaction.

(a) If a complaint is resolved informally, in whole or in part, subsequent to Commission action under § 3022.30(a)(1), the complainant must promptly file:

(1) A statement explaining the resolution; and

(2) A motion to dismiss or amend the complaint based on the resolution.

(b) The Commission may order the submission of additional information before acting on any motion filed under paragraph (a)(2) of this section.

(c) In determining whether to allow the complaint to be dismissed or amended under this section, the Commission will take into consideration whether the issues raised by the complaint may continue to impact a significant segment of the mailing community.