It shall be the duty of the occupier to notify to the Chief Inspector, on a prescribed form any change in respect of any information contained in his statement under sub-section (1) of section 5 within thirty days after the change has taken place. The Chief Inspector shall on the receipt of such notice and the prescribed fee and on being satisfied about its correctness make the change in the register of establishments in accordance with such notice and shall amend the registration certificate, or issue a fresh registration certificate, if necessary.