1. Subject to the provisions of section 8 of the Act an employer or user, as the case may be, shall not permit a person to enter a workplace where the health or safety of such person is at risk or may be at risk, unless such person enters such workplace with the express or implied permission of and subject to the conditions laid down by such employer or user: Provided that only the express or implied permission shall not apply in respect of a person entitled by law to enter such workplace premises.
2. An employer or a user, as the case may be, shall, if he or she deems it necessary in the interests of health and safety, post up a notice at every entrance to a workplace prohibiting the entry of unauthorised persons to such workplace and no person shall enter or remain at such workplace without the permission of the employer or user, as the case may be.