(e) Mediation shall terminate:
- (1) At any time the parties agree to a resolution of the serious disagreement,
- (2) If one of the parties withdraws from mediation,
- (3) In the event the parties fail to reach a resolution of the serious disagreement within 15 days following Secretarial mediation efforts, and the parties do not agree to extend mediation beyond that period, or
- (4) For other good cause.