xmlns:atom="http://www.w3.org/2005/Atom"
67. Where this regulation applies, the person carrying out the work, for the purpose of ensuring compliance with regulation 65(2), shall give, not more than 5 days after completion of the testing and commissioning, a notice in writing to the district council stating—
(a)the results of air flow tests; and
(b)that any fixed mechanical ventilation system and associated controls have been commissioned.