This section applies to an interest in Crown land which is not a private interest.
Section 330 does not apply to an interest to which this section applies.
For a purpose mentioned in section 330(1) the Secretary of State may request the appropriate authority to give him such information as to the matters mentioned in section 330(2) as he specifies in the request.
The appropriate authority must comply with a request under subsection (3) except to the extent—
that the matter is not within the knowledge of the authority, or
that to do so will disclose information as to any of the matters mentioned in section 321(4).
Expressions used in this section and in Part 13 must be construed in accordance with that Part.