5.5.2.   APPLICABILITY
   The GCZ standards apply to the following uses on all property, any portion of which abuts or is to a designated on the ’s or ’s :
   A.   New ;
   B.   Changes of use, including new occurring on vacant land; or,
   C.   Uses of land or legally existing as of June 27, 1988, that are expanded in , , parking, seating capacity, or any other expansion of use, as listed below. Exception. Expansion of for a nonconforming existing use that increases the number of spaces to the minimum required by the for that use is exempt from counting toward the 25% expansion.
      1.   If the expansion is less than 25%, the GCZ applies to the proposed expansion. The remainder of the use or shall be governed by provisions in force at the time of initial approval for the use or ;
      2.   If the expansion is 25% or more, the GCZ applies to the proposed expansion and to the parking and standards that apply to the overall ; or,
      3.   Expansions that occur after June 27, 1988, shall be cumulated in determining the 25% expansion.
   D.   When one or more of the standards of the MS&R , the , or the Scenic Corridor (SCZ) apply to the same , the most restrictive standards apply.
   E.   At intersections where a and intersect, review and standards of the apply for 700 feet along the from each side of the intersection. The 700 feet shall be measured from the of the .
   F.   The following are exempt from the application of the standard:
      1.   Utility facilities constructed or installed in accordance with a certificate of environmental issued prior to June 27, 1988, under the authority of A.R.S. Title 40, Chapter 2, Article 6.2;
      2.   Single- legally existing on June 27, 1988; or,
      3.    within the .
   G.   Where widening of a is planned for construction within three years after the date of a permit application, is not required to be implemented until the road has been completed, provided the developer posts to ensure compliance.