71. (1) The Shipping Authority may, if it is satisfied that it is necessary or expedient in the public interest or in the interest of shipping in general so to do, and shall, where so directed by the Government, by order in writing, give,-(a) in the case of a ship which has been granted a licence under section 66, directions with respect to all or any of the following matters, namely:-(i) the ports or places, whether in or outside Bangladesh, to which, and the routes by which, ship shall proceed for any particular purpose;(ii) the diversion of the ship from one route to another for any particular purpose;(iii) the dates, if any, of arrival and departure of the ship at, or from, any port or place;(iv) the classes of passengers which may be carried in the ship;(v) the kind of cargo which may be carried in the ship and the quantity of such cargo that may be put on board any ship specified in the order;(vi) the order of priority in which passengers or cargo may be taken on or put off the ship at any port or place, whether in or outside Bangladesh;(vii) the person or persons to whom passages may be given;(b) in the case of any ship which has been granted a licence under section 67, and is about to proceed from a port or place in Bangladesh to any port or place at which she may, or is to, call in the course of her voyage while engaged in the coasting trade, general or special directions with respect to all or any of the matters mentioned in sub-clauses (iii), (iv), (v), (vi) and (vii) of clause (a); and(c) in the case of any ship, other than a ship licensed under this Ordinance, directions regulating the quantity of any cargo that may be loaded in such ship from a port of Bangladesh for a place or port outside Bangladesh. (2) Whoever fails to comply with any direction given under sub section (1), shall, for each offence, be punishable with imprisonment for a term which may extend to one year, or with fine which may extend to Taka five thousand, or with both.