Section 12. Power to enter

12. Power to enter.— Subject to any rule made in this behalf, any person generally or specially authorised by the Authority in this behalf, may, wherever it is necessary to do so for any purposes of this Act, at all reasonable times, enter on any coastal aquaculture[2] [unit] and — (a) make any inspection, survey, measurement, valuation or inquiry; - (b) remove or demolish any structure therein; and (c) do such other acts or things as may be prescribed: Provided that no such person shall enter on any coastal aquaculture[2] [unit] without giving the occupier of such aquaculture[2] [unit] at least twenty-four hours' notice in writing of his intention to do so. 3[Provided further that the requirement of notice under the first proviso may be waived by the Authority, in such cases and for such reasons to be recorded in writing, as it deems fit: Provided also that the owner shall be liable to pay the cost of demolition and cost of damage to the environment, if any, assessed in such manner as may be prescribed.]