All matters in enforcement proceedings before the System Arbitrator shall be heard and determined in an expedited manner. An enforcement proceeding may be commenced upon 72 hours written notice (or upon shorter notice if ordered by the System Arbitrator) served upon the party against whom the enforcement proceeding is brought and filed with the System Arbitrator. All such notices and all orders and notices issued and directed by the System Arbitrator shall be served upon the NFL and the NFLPA, in addition to any counsel appearing for individual NFL players or individual NFL Clubs. The NFL and the NFLPA shall have the right to participate in all such enforcement proceedings, and the NFLPA may appear in any enforcement proceedings on behalf of any NFL player who has given authority for such appearance. Unless otherwise agreed, all hearings will be transcribed.