(1)The powers conferred by this section are conferred in relation to—
(a)any premises in the United Kingdom; or
(b)any United Kingdom ship wherever it may be and any other ship which is present in the United Kingdom or in United Kingdom waters;
and are available to any Departmental inspector, or any inspector appointed under section 256(6), for the purpose of performing his functions.
(2)Such an inspector—
(a)may at any reasonable time (or, in a situation which in his opinion is or may be dangerous, at any time)—
(i)enter any premises , or
(ii)board any ship,
if he has reason to believe that it is necessary for him to do so;
(b)may, on entering any premises by virtue of paragraph (a) above or on boarding a ship by virtue of that paragraph, take with him any other person authorised for the purpose by the Secretary of State and any equipment or materials he requires;
(c)may make such examination and investigation as he considers necessary;
(d)may give a direction requiring that the premises or ship or any part of the premises or ship or any thing in the premises or ship or such a part shall be left undisturbed (whether generally or in particular respects) for so long as is reasonably necessary for the purposes of any examination or investigation under paragraph (c) above;
(e)may take such measurements and photographs and make such recordings as he considers necessary for the purpose of any examination or investigation under paragraph (c) above;
(f)may take samples of any articles or substances found in the premises or ship and of the atmosphere in or in the vicinity of the premises or ship;
(g)may, in the case of any article or substance which he finds in the premises or ship and which appears to him to have caused or to be likely to cause danger to health or safety, cause it to be dismantled or subjected to any process or test (but not so as to damage or destroy it unless that is in the circumstances necessary);
(h)may, in the case of any such article or substance as is mentioned in paragraph (g) above, take possession of it and detain it for so long as is necessary for all or any of the following purposes, namely—
(i)to examine it and do to it anything which he has power to do under that paragraph,
(ii)to ensure that it is not tampered with before his examination of it is completed,
(iii)to ensure that it is available for use as evidence in any proceedings for an offence under this Act or any instrument made under it;
(i)may require any person who he has reasonable cause to believe is able to give any information relevant to any examination or investigation under paragraph (c) above—
(i)to attend at a place and time specified by the inspector, and
(ii)to answer (in the absence of persons other than any persons whom the inspector may allow to be present and a person nominated to be present by the person on whom the requirement is imposed) such questions as the inspector thinks fit to ask, and
(iii)to sign a declaration of the truth of his answers;
(j)may require the production of, and inspect and take copies of or of any entry in,—
(i)any books or documents which by virtue of any provision of this Act are required to be kept; and
(ii)any other books or documents which he considers it necessary for him to see for the purposes of any examination or investigation under paragraph (c) above;
(k)may require any person to afford him such facilities and assistance with respect to any matters or things within that person’s control or in relation to which that person has responsibilities as the inspector considers are necessary to enable him to exercise any of the powers conferred on him by this subsection.
(3)The powers conferred by subsection (2) above to require the production of any document and copy it include, in relation to oil record books required to be carried under section 142, power to require the master to certify the copy as a true copy.
(4)The powers conferred by subsection (2) above to inspect premises shall also be exercisable, for the purpose of Chapter II of Part VI, in relation to any apparatus used for transferring oil.
(5)The powers of entry and inspection of premises conferred by subsections (2) and (4) above for the purposes of Chapter II of Part VI shall not be exercisable by Departmental inspectors (or surveyors of ships in their capacity as Departmental inspectors) in relation to places on land in Northern Ireland and apparatus located in Northern Ireland otherwise than on board ships; but persons appointed by the Department of the Environment for Northern Ireland shall have the like powers; and those subsections shall have effect accordingly in relation to persons so appointed.
(6)The powers conferred by subsection (2)(a), (c) and (j) above shall also be exercisable, in relation to a ship in a harbour in the United Kingdom, by the harbour master or other persons appointed by the Secretary of State for the purpose, for the purpose of ascertaining the circumstances relating to an alleged discharge of oil or a mixture containing oil from the ship into the harbour.
(7)It is hereby declared that nothing in the preceding provisions of this section authorises a person unnecessarily to prevent a ship from proceeding on a voyage.
(8)The Secretary of State may by regulations make provision as to the procedure to be followed in connection with the taking of samples under subsection (2)(f) above and subsection (11) below and provision as to the way in which samples that have been so taken are to be dealt with.
(9)Where an inspector proposes to exercise the power conferred by subsection (2)(g) above in the case of an article or substance found in any premises or ship, he shall, if so requested by a person who at the time is present in and has responsibilities in relation to the premises or ship, cause anything which is to be done by virtue of that power to be done in the presence of that person unless the inspector considers that its being done in that person’s presence would be prejudicial to the safety of that person.
(10)Before exercising the power conferred by subsection (2)(g) above, an inspector shall consult such persons as appear to him appropriate for the purpose of ascertaining what dangers, if any, there may be in doing anything which he proposes to do under that power.
(11)Where under the power conferred by subsection (2)(h) above an inspector takes possession of any article or substance found in any premises or ship, he shall leave there, either with a responsible person or, if that is impracticable, fixed in a conspicuous position, a notice giving particulars of that article or substance sufficient to identify it and stating that he has taken possession of it under that power; and before taking possession of any such substance under that power an inspector shall, if it is practicable for him to do so, take a sample of the substance and give to a responsible person at the premises or on board the ship a portion of the sample marked in a manner sufficient to identify it.
(12)No answer given by a person in pursuance of a requirement imposed under subsection (2)(i) above shall be admissible in evidence against that person or the husband or wife of that person in any proceedings except proceedings in pursuance of subsection (1)(c) of section 260 in respect of a statement in or a declaration relating to the answer; and a person nominated as mentioned in the said subsection (2)(i) shall be entitled, on the occasion on which the questions there mentioned are asked, to make representations to the inspector on behalf of the person who nominated him.