Where a blight notice has been served, the appropriate authority may serve on the claimant a counter-notice under this section objecting to the notice.

Regulations must specify the form of a counter-notice.

A counter-notice must be served before the end of 2 months beginning with the day the blight notice was served.

A counter-notice must specify the grounds on which the appropriate authority objects to the blight notice.

The grounds must be one or more of the grounds specified in section 326 or, if relevant, section 336(3), 347(1) or 349(1).