All the Provisions of the Act of the Ninth and Tenth Years of the Reign of Her present Majesty, intituled An Act to authorize the Advance of Public Money to a limited Amount to promote the Improvement of Land in Great Britain and Ireland by Works of Drainage, and of any and every other Act for the Time being in force relating to any of the aforesaid Commissioners, so far as the same may concern or be auxiliary to the Proceedings or Inquiries of the Commissioners under the Authority of such Acts or any of them, or the Authentication of Instruments, shall, except as in this Act otherwise provided, extend and be applicable to their Proceedings and Inquiries, and the Authentication of Instruments, under this Act.