Powers of review.

The Government may either on its own motion or on &he application sf any party interested, review any order gassed by itself or any sanction or approval given under this Regulation, and the Director or the collector may, similarly, review an order passed by himself or any sanction or approval given by him under this Regulation, and pass such order in reference thereto as it ox he thinks Pi$ : Provided that - (h) no order aha11 be varied or reversed or no sanction or approval reviewed unless notice has been given Lo the parties interested to appear and be heard : (ii) no order from which an appeal has been made, or which i s the subject of any 'revision prscetidinga, shall eo long as such appeal or proceedings are pending, be rhviewcd; (iii) no order affecting any question 0% right between private person shall be reviewed, except on the application of a party to the proceedings and no application for the review of such order ahall be entertained unless it i~ made within ninety days from the passjng of d f the order.