12In section 18 (inspection and tests)—
(a)in subsection (1)—
(i)for the words between " this section" and " on exhibiting" there shall be substituted the words " any person authorised in writing by a local authority ",
(ii)in paragraphs (c) and (d) for the words " master of works" there shall be substituted the words " local authority ",
(iii)for paragraph (e) there shall be substituted the following paragraphs—
“(e)inspecting any building which the local authority consider should be examined in order to determine whether to exercise their powers under section 11 of this Act; or
(f)executing any operations under section 10, 11 or 13 of this Act.”;
(b)subsection (2) shall cease to have effect;
(c)in subsection (3) for the words "thereof, or by virtue of subsection (2) of this section " there shall be substituted the words " (e) or (f) thereof ";
(d)in subsection (4) the words "the buildings authority or" where they first occur and the words " or (2)" shall cease to have effect, and for the words " buildings authority or local authority as the case may be" there shall be substituted the words " local authority ";
(e)in subsection (7) the words " or subsection (2)" shall cease to have effect;
(f)in subsection (10), for the words " master of works " and " him " there shall be substituted respectively the words " local authority " and " them ", and for the proviso there shall be substituted the following proviso—
“Provided that the local authority, on application made to them, may if they think fit meet the expense of carrying out any such test as aforesaid or any part of that expense.”.