“ One or more Copyright Royalty Judges may, or by motion to the Copyright Royalty Judges, any participant in a proceeding may, request from the Register of Copyrights an interpretation of any material questions of substantive law that relate to the construction of provisions of this title and arise in the course of the proceeding. Any request for a written interpretation shall be in writing and on the record, and reasonable provision shall be made to permit participants in the proceeding to comment on the material questions of substantive law in a manner that minimizes duplication and delay. ”

“ Any copyright owners of sound recordings or any entities performing sound recordings affected by this paragraph may submit to the Copyright Royalty Judges licenses covering such eligible nonsubscription transmissions and new subscription services with respect to such sound recordings. The parties to each proceeding shall bear their own costs. ”

“ Such rates and terms shall distinguish among the different types of eligible nonsubscription transmission services and new subscription services then in operation and shall include a minimum fee for each such type of service. ”