23. In Schedule 2, in paragraph 2—
(a)in sub-paragraph (c), for “and their membership number in relation to that consumer code”, substitute “and the membership or certification number of the consumer code of which the installer is a member”;
(b)in sub-paragraph (f)(ii), for “was, or will be, first occupied” substitute “has had any heating system installed and was, or will be first occupied or used”;
(c)omit sub-paragraph (f)(iii)(bb);
(d)in sub-paragraph (f)(iv)(aa), omit “, or”;
(e)omit sub-paragraph (f)(iv)(bb);
(f)omit sub-paragraph (g);
(g)after sub-paragraph (h), insert—
“(ha)whether the property is fuelled by mains gas,”;
(h)in sub-paragraph (j), after “first occupied or used” insert, “or has had any heating system installed”.