24.—(1) A measure meets the requirements of this article if—
(a)the measure is installed by, or under the responsibility of, a person who is registered with TrustMark for the purposes of that measure, and a certificate of lodgement is issued by the operator of TrustMark in respect of that measure; or
(b)the measure is installed subject to arrangements for quality assurance and consumer protection, including installation standards and arrangements for repairs and other remedies, which are equivalent to the requirements under TrustMark.
(2) In this article, “certificate of lodgement” and “TrustMark” have the meanings given in article 2(1) of the 2022 Order.