3(1)The functions of a local planning authority of determining—
(a)applications for planning permission;
(b)applications for determining under section 64 whether an application for such permission is required;
(c)applications for an established use certificate under section 192;
shall, subject to sub-paragraph (2), be exercised by the district planning authority.
(2)The functions of a local planning authority of determining any such application as is mentioned in sub-paragraph (1) which appears to the district planning authority to relate to a county matter shall be exercised by the county planning authority.
(3)Every application mentioned in sub-paragraph (1) shall be made to the district planning authority.
(4)The district planning authority shall send to the county planning authority, as soon as possible and in any case not later than seven days after they have received it, a copy of any application for planning permission which appears to them to relate to a county matter.
(5)Subject to sub-paragraph (6), the district planning authority shall send to the local highway authority, as soon as may be after they have received it, a copy of any application for planning permission which does not appear to them to relate to a county matter.
(6)If the local highway authority specify any case or class of case in which a copy of such an application as is mentioned in sub-paragraph (5) need not be sent to them, the duty imposed on the district planning authority by that sub-paragraph shall not extend to any application to which the direction relates.
(7)The previous provisions of this paragraph shall not apply to applications relating to land in a National Park, but paragraph 4 shall apply to such applications instead.