9. Section 9 of the Principal Act is amended—
(a) by omitting from paragraph (a) “air cleaning”; and
(b) by omitting paragraphs (c) and (d) and substituting the following paragraphs:
“(c) the occupier shall keep such records, in relation to the equipment on the premises, as are specified on the certificate of exemption and relate to maintenance on and the operation of the equipment;
(d) inspectors are allowed to—
(i) regularly inspect equipment on the premises;
(ii) monitor the air quality within the premises; and
(iii) inspect the records referred to in paragraph (c);
(e) if the certificate relates to a restaurant—smoking is prohibited in not less than 75% of the public area of the restaurant.”.