26.—(1) Any certificate issued by the Director under these Regulations may be suspended or cancelled by him if the holder fails to comply with any of the provisions of these Regulations and the holder of the certificate shall, if required by the Director, forthwith deliver the certificate to the Director.
(2) The holder of a certificate issued by the Director under these Regulations who fails to deliver his certificate to the Director when required by the Director to do so under paragraph (1), or under section 51(2) of the Act, shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $2,000.
(3) Every valid certificate issued by the Director under these Regulations shall, on the death of the person to whom the certificate was issued, be surrendered to the Director for cancellation.
(4) Any person who is found in possession of a certificate referred to in paragraph (3) after the death of the person to whom it was issued without being able to account for the way in which it came into his possession, or to give good reasons for not surrendering it to the Director for cancellation, shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $2,000.
(5) Where the holder of a certificate of competency of a particular class is to be issued with a certificate of a higher class, he shall surrender the first-mentioned certificate to the Director for cancellation.