; provided, however, that either may gather and provide financial and other information for the use of a party to such a proceeding and comply with requests for information as required under applicable statutory and regulatory provisions and rulings of the Copyright Royalty Judges. (B) Application of late fees In any proceeding described in subparagraph (A) in which the Copyright Royalty Judges establish a late fee for late payment of royalties for uses of musical works under this section, such fee shall apply to covered activities under blanket licenses under this subsection, as follows: (i) Late fees for past due royalty payments shall accrue from the due date for payment until payment is received by the mechanical licensing collective. (ii) The availability of late fees shall in no way prevent a copyright owner or the mechanical licensing collective from asserting any other rights or remedies to which it may be entitled under this title. (C) Interim rate agreements For any covered activity for which no rate or terms have been established by the Copyright Royalty Judges, the mechanical licensing collective and a digital music provider may agree to an interim rate and terms for such activity; provided, however, that any such interim rate and terms— (i) shall be treated as nonprecedential and not cited or relied upon in any ratesetting proceeding before the Copyright Royalty Judges or any other tribunal