The portions of these regulations authorized exclusively under C.R.S. §24-65.1--101, et seq., as amended, shall not apply to any development in an area of State interest or any activity of State interest if, on May 17, 1974:

   A. The specific development or activity was authorized by a building permit issued by the County;

   B. The specific development or activity was directly approved by the electorate of the State or of the County; provided that approval by the electorate of any bond issue shall not, in and of itself, be construed to be an approval of the specific development or activity;

   C. The specific development or activity is to be on land which has been finally approved, with or without conditions, for planned unit development or for a use other than a subdivision substantially the same as a planned unit development;

   D. The specific development or activity is to be on land which has been zoned by the appropriate local government expressly and specifically for the use contemplated by the development or activity and, additionally, does not require a zone change or a use permit, under zoning, to allow the use contemplated by such development or activity; or

   E. The specific development or activity is to be on land with respect to which a final plat for a subdivision has been approved, with or without conditions, pursuant to the provisions of Sections 2-11 of Chapter 81, Session Laws of Colorado 1972, codified at Sections §30-28-101, 110, 133, 136, and 137, C.R.S. 1973.