49Section 207 (default powers of Minister) shall be amended as follows: —
(a)in subsection (2) the following shall be substituted for paragraph (c):—
“(c)tree preservation orders and orders amending or revoking them”;
(b)in subsection (4), for paragraphs (a) and (b) there shall be substituted the following paragraphs :—
“(a)an enforcement notice under section 15 of the Act of 1968 or under the provisions of that section as applied by regulations made under section 34 of this Act; or
(b)a notice under section 36 of this Act; or
(c)a stop notice under section 19 of the Act of 1968 ; or
(d)an enforcement notice under section 44 of that Act; or
(e)a completion notice under section 68 of that Act”
and for the words (in the proviso) from " an enforcement notice " to " this Act " there shall be substituted the words " an enforcement notice under section 15 or 44 of the Act of 1968 which is served by the Minister, the provisions of sections 47 to 51 of this Act or, as the case may be, sections 45 and 46 of that Act "; and
(c)for subsection (5)(a) there shall be substituted the following paragraph:—
“(a)that the council of a county, county borough, London borough or county district or the Common Council of the City of London have failed to take steps for the acquisition of any land which, in the opinion of the Minister, ought to be acquired by that council under section 28 of the Act of 1968 for a purpose which it is necessary to achieve in the interests of the proper planning of an area in which the land is situated ; or”.