42. A person who—
(a)enters a factory, workshop or workplace in pursuance of the provisions of article 16 (protective works to building) or article 18 (power to survey and investigate land, etc.); and
(b)discloses to any person any information obtained by him relating to any manufacturing process or trade secret,
shall be guilty of an offence and liable on summary conviction to a fine not exceeding level 3 on the standard scale unless the disclosure is made in the course of performing his duty in connection with the purposes for which he was authorised to enter the land.