30.(1) No person without the permission of the conservator shall in any port subject to this Act remove or carry away any rock, stones, shingle, gravel, sand or soil or any artificial protection from any part of the bank or shore of the port; and no person shall sink or bury in any part of such bank or shore, whether the same is public or private property, any mooring-post, anchor or any other thing, or do any other thing which is likely to injure or to be used so as to injure such bank or shore, except with the permission of the conservator, and with the aid or under the inspection of such person, if any, as the conservator may appoint to take part in or overlook the performance of such work. (2) If any person offends against sub-section (1), he shall for every such offence be punishable with fine which may extend to one hundred taka and shall pay any reasonable expenses which may be incurred in repairing any injury done by him to the bank or shore.