All disputes which arise between the parties in connection with this agreement, or the subject matter of this agreement, shall be decided by an arbitrator agreed by the parties or, in default of agreement, appointed by the President for the time being of the Law Society of Ireland or in the event of his being unwilling or unable to do so by the next senior officer of the Society who is willing and able to make the appointment provided always that these provisions shall apply also to the appointment (whether by agreement or otherwise) of any replacement arbitrator where the original arbitrator (or any replacement) has been removed by Order of the High Court, or refuses to act, or is incapable of acting or dies.