26.  The Registrar or any person employed by or under him for the purposes of this Act, who wilfully neglects his duty in the execution of his office according to the rules and directions in this Act mentioned, or wilfully commits or suffers to be committed any undue or fraudulent practice in the execution of that office, intending thereby to cause or knowing it to be likely that he may thereby cause injury as defined in the Penal Code [Cap. 224] to any person, shall be guilty of an offence and shall be punished on conviction with a fine or with imprisonment for a term not exceeding 7 years or with both.