Modifications or expansions approved by the Department shall be based on written findings that the proposed:

Modification or expansion of a nonconformance located within a development governed by an existing conditional use permit, special use permit, unclassified use permit, or planned unit development shall provide the same level of protection for and compatibility with adjacent land uses as the original land use permit approval. (Ord. 42-02 § 2 (21A.32.075))