Paragraph 4
If, when requested by a protected body to carry out any necessary works or operations in accordance with paragraph 2 or 3 above, the Secretary of State—
(a)
fails to do so; or
(b)
approves the carrying out of those or any other works or operations by that body;
the protected body may itself carry out the works and operations and recover from the Secretary of State the costs reasonably incurred by it in doing so.