The local housing authority may by resolution extend the duration of a housing action area by a period of two years, and may do so more than once.
Written notification of the passing of the resolution must be given by the authority to the Secretary of State at least three months before the date on which the housing action area would otherwise cease to exist.
On recipt of a notification under subsection (2) the Secretary of State shall send a written acknowledgement to the authority.
If it appears to the Secretary of State appropriate to do so, he may, at any time within the period of 28 days beginning with the day on which he sent the acknowledgement, notify the authority—
Where the Secretary of State notifies an authority that he requires more time, he shall on completion of his consideration of the matter notify the authority—
As soon as may be after passing a resolution or receiving a notification from the Secretary of State under this Section (other than a notification that he proposes to take no further action), the local housing authority shall—