This Ordinance shall apply to all land in the County outside the incorporated cities and their adopted urban growth boundaries except:

A. Land managed by agencies of the federal government.

B. Regarding Greenhorn, this Ordinance shall apply until Greenhorn, which has been found to be an incorporated city, is able to provide by Ordinance for its own Comprehensive Land Use Plan and Ordinance.
C. Land subject to ORS 92.325 is exempted from subdivision provisions enumerated by the referenced statute.