A. The board of adjustment may grant one extension of the time set forth in an administrative notice to abate under this title. The extension shall not exceed 90 days after the date of the hearing.
B. The board of adjustment shall grant an extension only where it finds:
1. A hardship in bringing the land into compliance within the time set forth in the notice to abate; and
2. A reasonable plan by which the land will be brought into compliance within the time extension.
C. The extension granted by the board of adjustment shall run from the date the board of adjustment mails the findings and decision as set forth in section 18-6-2 above.