Where Natural England or the NRBW are of the opinion that any area of land in England or, as the case may be, in Wales—
Natural England or (as the case may be) the NRBW shall notify the fact that the land is of special interest for that reason to every relevant undertaker whose works, operations or activities may affect the land.
Where a National Park authority or the Broads Authority is of the opinion that any area of land in a National Park or in the Broads—
the National Park authority or Broads Authority shall notify the fact that the land is such land, and the reasons why those matters are of particular importance in relation to the land, to every relevant undertaker whose works, operations or activities may affect the land.
Where a relevant undertaker has received a notification under subsection (1) or (2) above with respect to any land, that undertaker shall consult the notifying body before carrying out any works, operations or activities which appear to that undertaker to be likely—
Subsection (3) above shall not apply in relation to anything done in an emergency where particulars of what is done and of the emergency are notified to Natural England, the NRBW, the National Park authority in question or, as the case may be, the Broads Authority as soon as practicable after that thing is done.
The obligations under this section of a relevant undertaker shall be enforceable under section 18 below by the Secretary of State.
In this section—
"the Broads" has the same meaning as in the Norfolk and Suffolk Broads Act 1988; . . .
. . .
and section 3(9) above shall apply, as it applies in relation to that section, for construing (in accordance with section 6 below) any references in this section to a relevant undertaker.