129 Vacancy of arbitrator to be supplied.E+W+N.I.
If before the matters so referred shall be determined any arbitrator appointed by either party die, or become incapable or refuse or for seven days neglect to act as arbitrator, the party by whom such arbitrator was appointed may nominate and appoint in writing some other person to act in his place; and if for the space of seven days after notice in writing from the other party for that purpose he fail to do so the remaining or other arbitrator may proceed ex parte; and every arbitrator so to be substituted as aforesaid shall have the same powers and authorities as were vested in the former arbitrator at the time of such his death, refusal, or disability as aforesaid.