negotiations and agreements between and among copyright owners and persons entitled to obtain a compulsory license for covered activities, and common agents acting on behalf of such copyright owners or persons, including with respect to the administrative assessment established under this subsection. (B) Limitation on common agent exemption Notwithstanding the antitrust exemption provided in subsection (c)(1)(D) and subparagraph (A) (except for the administrative assessment referenced therein and except as provided in paragraph (8)(C)), neither the mechanical licensing collective nor the digital licensee coordinator shall serve as a common agent with respect to the establishment of royalty rates or terms under this section. (C) Antitrust exemption for administrative activities Notwithstanding any provision of the antitrust laws, copyright owners and persons entitled to obtain a compulsory license under this section may designate the mechanical licensing collective to administer voluntary licenses for the reproduction or distribution of musical works in covered activities on behalf of such copyright owners and persons, but the following conditions apply: (i) Each copyright owner shall establish the royalty rates and material terms of any such voluntary license individually and not in agreement, combination, or concert with any other copyright owner. (ii) Each person entitled to obtain a compulsory license under this section shall establish the royalty rates and material terms of any such voluntary license individually and not in agreement, combination, or concert with any other digital music provider. (iii) The mechanical licensing collective shall maintain the confidentiality of the voluntary licenses in accordance with the confidentiality provisions prescribed by the Register of Copyrights under paragraph (12)(C). (D) Liability for good-faith activities The mechanical licensing collective shall not be liable to any person or entity based on a claim arising from its good-faith administration of policies and