923.14—District.
District means the applicable one of the following described subdivisions of the production area, or such other subdivisions as may be prescribed pursuant to § 923.31(m) :
(a)
District 1 shall include the Counties of Chelan, Okanogan, Douglas, Grant, Lincoln, Spokane, Pend Oreille, Stevens, and Ferry.
(b)
District 2 shall include the counties of Kittitas, Yakima, Klickitat, Benton, Adams, Franklin, Walla Walla, Whitman, Columbia, Garfield and Asotin.