# The Building (Amendment) (Wales) Regulations 2022, Regulation 13: Amendment of regulation 42 of the Building Regulations

Extent: E+W

In regulation 42 (mechanical ventilation air flow rate testing)—
(a) for paragraph (1) substitute—
“(1) This regulation applies where paragraph F1(1) of Schedule 1 imposes a requirement in relation to—
(a) the creation of a new dwelling by building work; or
(b) an existing dwelling which undergoes building work for the provision or extension of any fixed building system for mechanical ventilation.
(1A) Paragraph (1)(b) excludes building work to which Schedule 4 applies.”;
(b) in paragraph (2)(b), for “.” substitute “, other than when Schedules 3 or 4 apply.”

---
Source: https://www.legislation.gov.uk/wsi/2022/564/regulation/13 (the official version)
Page: https://openlegislation.uk/building-amendment-wales-regulations-2022/regulation-13
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.