Save as otherwise expressly provided in the Act or these Rules the following provisions of the First Schedule to the Code of Civil Procedure, 1908, namely, those contained in Order V, Rules 9 to 13 and 15 to 30: Order IX; Order XIII, Rules 3 to 10; Order XVI, Rules 2 to 21; Order XVII; and Order XVIII, Rules 1 and 2, shall apply to proceedings before Commissioners, in so far as they may be applicable thereto:
PROVIDED that-
(a) for the purpose of facilitating the application of the said provisions the Commissioner may construe them with such alterations not affecting the substance as may be necessary or proper to adapt them to the matter before him;
(b) the Commissioner may, for sufficient reasons, proceed otherwise than in accordance with the said provisions, if he is satisfied that the interests of the parties will not thereby be prejudiced.
