13.—(1) When a certificate is issued in respect of a vessel under regulation 9 or 15 of these Regulations the owner of the vessel shall forthwith on receipt of the certificate cause it to be framed and posted up in some conspicuous place on board the vessel, and shall cause it to be kept so framed and posted up and legible so long as the certificate remains in force and the vessel is in use.
(2) A surveyor duly authorised by the Secretary of State may inspect any vessel to which this Part of these Regulations apply, for the purpose of seeing that the provisions of this Part of these Regulations have been complied with in respect of the vessel.