Any agreement between any player or Player Affiliate and any Club or Club Affiliate providing for the player to be compensated by the Club or Club Affiliate for nonfootball-related services shall be set forth in writing as a separate addendum to the player’s Player Contract, which addendum shall state the amount of or otherwise describe such consideration. If such an agreement is executed subsequent to the execution of the player’s NFL Player Contract, it must be submitted to the NFL as an addendum to that Player Contract within two days of the execution or making of the agreement. The NFL shall provide a copy of such addendum to the NFLPA within two business days of receipt.