; or (v) the notification was duplicative under subsection (c)(2)(C)(i). (B) Timeframe (i) In general Subject to clauses (ii) and (iii), a petition contesting a notification under this paragraph shall be considered timely if it is filed by a provider not later than 14 days after the day on which the provider receives the notification or the notification is made complete under subsection (c)(2)(D)(i). (ii) No designated reporting system Subject to clause (iii), if a provider does not have a designated reporting system, a petition contesting a notification under this paragraph shall be considered timely if it is filed by a provider not later than 7 days after the day on which the provider receives the notification or the notification is made complete under subsection (c)(2)(D)(i). (iii) Small providers In the case of a small provider, each of the timeframes applicable under clauses (i) and (ii) shall be increased by 48 hours. (3) Commencement of proceeding (A) In general In order to commence a proceeding under this section, a petitioning party shall, subject to such additional requirements as may be prescribed in regulations established by the Commission, file a petition with the Board, that includes a statement of claims and material facts in support of each claim in the petition. A petition may set forth more than one claim. A petition shall also include information establishing that it has been filed within the applicable timeframe. (B) Review of petitions by Child Online Protection Attorneys Child Online Protection Attorneys may review petitions to assess whether they are complete. The Board may permit a petitioning party to refile a defective petition. The Attorney may assist the petitioning party in making any corrections. (C) Dismissal The Board may dismiss, with or without prejudice, any petition that fails to comply with subparagraph (A). (4) Service of process requirements for petitions (A) In general For purposes of petitions under paragraphs (1) and (2), the petitioning party shall, at or before the