Section 86. Except'

86. Except' ACT No. X OF 1866. `86.` Except where and as the Companies otherwise agree, the Arbitra- `in` the ar-[tor, and ][tho ][Arbitrators, and the U n ~ ~ i r e ] scspeulivel y may bitration. proceed in the business of the reference in such manner as he ancl they respectively shall think fit. 87. The Arbitra.tor, and the Arbitrators, m d the Umpire respectively Arbitration may pro-[may proceed in the absence of all or a1137 of the Co~nyanies ] ceed in absence of in every case in which, after giving notice in that hehalf Companies. to the Coll~panies respectively, the Arbitrator, or the Arbitrators, or the Umpire shall thinlc fit so to proceed.