; provided, however, that the Copyright Royalty Judges shall have the discretion to reject any such agreement for good cause shown. An administrative assessment adopted under this clause shall apply to all digital music providers and significant nonblanket licensees engaged in covered activities during the period it is in effect. (vi) Continuing authority to amend The Copyright Royalty Judges shall retain continuing authority to amend a determination of an administrative assessment to correct technical or clerical errors, or modify the terms of implementation, for good cause, with any such amendment to be published in the Federal Register. (vii) Appeal of administrative assessment The determination of an administrative assessment by the Copyright Royalty Judges shall be appealable, within 30 days after publication in the Federal Register, to the Court of Appeals for the District of Columbia Circuit by any party that fully participated in the proceeding. The administrative assessment as established by the Copyright Royalty Judges shall remain in effect pending the final outcome of any such appeal; provided, however, that the mechanical licensing collective, digital licensee coordinator, digital music providers, and significant nonblanket licensees shall implement appropriate financial or other measures within 3 months of any modification of the assessment to reflect and account for such outcome. (viii) Regulations The Copyright Royalty Judges may adopt regulations to govern the conduct of proceedings under this paragraph. (8) Establishment of rates and terms under blanket license (A) Restrictions on ratesetting participation Neither the mechanical licensing collective nor the digital licensee coordinator shall be a party to a proceeding to determine rates and terms for activities under this section as described in subsection (c)(3)(C)