The local housing authority may at any time review an improvement notice whose operation is suspended.
The local housing authority must review an improvement notice whose operation is suspended not later than one year after the date of service of the notice and at subsequent intervals of not more than one year.
Copies of the authority's decision on a review under this section must be served—
on the person on whom the improvement notice was served, and
on every other person on whom a copy of the notice was required to be served.