17.—(1) A F31[housing authority]—

(a) shall review an accommodation programme at least once in each 3 year period or at such time as the Minister may by direction specify from time to time, and

(b) may review an accommodation programme at any time during the period to which the accommodation programme concerned relates.

(2) A F31[housing authority] may amend or replace an accommodation programme at any time or following a review under subsection (1).

(3) Where a F31[housing authority] proposes to amend or replace an accommodation programme, the date of the adoption of the amendment or replacement shall be 7 months after the publication of the notice under section 9.