for which the owner is not identified or located are equitably distributed to known copyright owners. (VI) Administer collections of the administrative assessment from digital music providers and significant nonblanket licensees, including receipt of notices of nonblanket activity. (VII) Invest in relevant resources, and arrange for services of outside vendors and others, to support its activities. (VIII) Engage in legal and other efforts to enforce rights and obligations under this subsection, including by filing bankruptcy proofs of claims for amounts owed under licenses, and acting in coordination with the digital licensee coordinator. (IX) Initiate and participate in proceedings before the Copyright Royalty Judges to establish the administrative assessment under this subsection. (X) Initiate and participate in proceedings before the Copyright Office with respect to activities under this subsection. (XI) Gather and provide documentation for use in proceedings before the Copyright Royalty Judges to set rates and terms under this section. (XII) Maintain records of its activities and engage in and respond to audits described under this subsection. (XIII) Engage in such other activities as may be necessary or appropriate to fulfill its responsibilities under this subsection. (ii) Additional administrative activities Subject to paragraph (11)(C) and clause (iii), the mechanical licensing collective may also administer, or assist in administering, voluntary licenses issued by or individual download licenses obtained from copyright owners for uses of musical works, for which the mechanical licensing collective shall charge reasonable fees for such services. (iii) Restriction concerning public performance rights The mechanical licensing collective may, pursuant to clause (ii), provide administration services with respect to voluntary licenses that include the right of public performance in musical works, but may not itself negotiate or grant licenses for the right of public performance in musical works, and may not