This section applies where at any time—
and it shall be the duty of the Corporation, as soon as reasonably practicable after receiving such a notice, to consider whether the condition mentioned in paragraph (b) above is satisfied.
The Corporation may give to the claimant and any other person interested a notice to the effect that, except for—
the Corporation will neither execute any works for making good the damage while the notice remains in force nor make any payments in respect of such works executed while the notice remains in force.
It shall be the duty of the Corporation to specify in such a notice such works (if any) as are required in order to render the damaged property reasonably fit to be used for the purposes for which it was used immediately before the damage became evident, not being—
References in this Act, in relation to any damage, to a stop notice are references to a notice under this section relating to the damage.
Except in such circumstances as may be prescribed, where the Corporation give a stop notice to any person with respect to any damage—
A stop notice given to any person with respect to any damage shall not have effect unless it is given within the period of three months beginning with the relevant time, or such longer period beginning with that time as may be agreed between the Corporation and that person.
In subsection (6) above "the relevant time" means—
The Secretary of State may by order substitute for the period specified in subsection (6) above (whether as originally enacted or as previously amended under this subsection) such other period as he thinks fit.