“Washington State Advisory Council’s Standards for the Rehabilitation and Maintenance of Historic Properties” or “State Advisory’s Council’s Standards” means the rehabilitation and maintenance standards used by the Bothell landmark preservation board as minimum requirements for determining whether or not a historic property is eligible for special valuation and whether or not the property continues to be eligible for special valuation once it has been so classified. (Ord. 2322 § 9, 2020; Ord. 2069 § 2 (Exh. B), 2011).