If an award is made by the arbitrator, payment will be made within thirty (30) days of the receipt of the award to the player or jointly to the player and the NFLPA, provided the player has given written authorization for such joint payment. The time limit for payment may be extended by mutual consent of the parties or by a finding of good cause for the extension by the arbitrator. Where payment is unduly delayed beyond thirty (30) days, double Interest will be assessed against the Club from the date of the decision. The arbitrator shall retain jurisdiction of the case for the purpose of awarding post-hearing interest pursuant to this Section.