Section 15 Powers of authorised officers
An authorised officer at all reasonable hours and on producing, if required to do so, some duly authenticated document showing his authority, may enter upon and inspect any vessel which is, or which such officer has reasonable cause to believe is, a vessel in respect of which an application has been made for the purpose of ascertaining whether and to what extent—
a person is entitled under paragraph 3 to make the application;
the application should be selected for approval under paragraph 5;
paragraphs 8 to 10 and 14, any relevant conditions and any undertakings given by the applicant have been complied with;
the decommissioning of the vessel is being, or has been, actually carried out;
any amount of grant is recoverable in accordance with paragraph 17;
an offence under section 17 of the Act has been or is being committed.