8.5.1.   TENTATIVE
   A.   Tentative Expiration
      1.   The tentative approval expires three years from the date of approval if a final has not been approved and recorded within this period.
      2.   When a tentative is approved with phases, all phases except phase one expire four years from the date of approval. A final for phase one must be approved and recorded within three years of tentative approval. A final for all other phases must be approved and recorded within four years of tentative approval.
      3.   If the fails to develop the platted or   and intervening changes make the unbuildable (i.e., nonconforming), then the is required to file an amended, conforming .
   B.   Tentative Approval Extension
   A may request an extension of the tentative approval period. The extension may be granted based on the following:
      1.   For non-phased , up to a one-year time extension may be granted provided there have been no changes in regulations applicable to the proposed since the approval of the tentative ; or,
      2.   For phased , up to a one-year time extension for each phase of a tentative being platted and recorded in phases, provided there have been no changes in regulations applicable to the proposed since the approval of the tentative phase under consideration.