The Arbiters or Oversman, as the Case may be, shall make the Decreet Arbitral or Award in Writing-, and shall cause the same to be recorded in the Books of Council and Session; and Extracts of Decreets Arbitral or Awards so recorded shall make Faith in all Courts and Cases in like Manner as the original Decreets Arbitral or Awards themselves, except where ' the Originals are offered to be improven.