65. Except with the permission in writing of the appropriate officer and on payment of such fees as may be prescribed by the Board no goods, other than passenger baggage or mail bags, shall in any customs-port be discharged, or be shipped or water-borne to be shipped or shall be loaded or unloaded or passed at any land customs-station or customs-airport- (a) on any public holiday within the meaning of section 25 of the Negotiable Instruments Act, 1881 (XXVI of 1881) or on any day on which the discharge or shipping of cargo at customs-port or loading, unloading, passage or delivery of cargo at any land customs-station or customs-airport, as the case may be, is prohibited by the Board by notification in the official Gazette; or(b) on any day except between such hours as the Board may, from time to time, by a like notification, appoint.