The Corporation shall not be required under section 2(1) or (4) above to take any remedial action or make any payment in respect of the cost of emergency works, unless the owner of the property or some other person who is liable to make good the damage in whole or in part—
The required notice with respect to any subsidence damage is a notice stating that the damage has occurred and containing such particulars as may be prescribed; and references in this Act, in relation to any subsidence damage, to a damage notice are references to such a notice with respect to the damage given within the period allowed by this section.
The period allowed by this section for giving a damage notice with respect to any subsidence damage is the period of six years beginning with the first date on which any person entitled to give the notice had the knowledge required for founding a claim in respect of the damage.
For the purposes of subsection (3) above, the knowledge required for founding a claim in respect of any subsidence damage is knowledge—
and a person's knowledge includes knowledge which he might reasonably have been expected to acquire from the facts mentioned in subsection (5) below.
Those facts are—
In this Act—
"the claimant", in relation to any subsidence damage, means the person who gave or, as the case may be, was the first person to give a damage notice to the Corporation in respect of the damage, and includes any successor in title of his;
"any other person interested", in relation to any such damage and any time, means any person other than the claimant who, not less than 7 days before that time, gave such a notice to the Corporation in respect of the damage, and includes any successor in title of any such person.