if a party properly submits the dispute to the aaa for formal arbitration and the aaa is unwilling or unable to set a hearing date within sixty -lrb- 60 -rrb- days of the filing of a `` demand for arbitration , '' then either party can elect to have the arbitration administered by the judicial arbitration and mediation services inc. -lrb- `` jams '' -rrb- using jams ' streamlined arbitration rules and procedures , or by any other arbitration administration service that you and a legal officer of linden lab consent to in writing , except , as noted above , that in no event shall the arbitration proceed as a class or representative action .