(1) In addition to the nonfarm uses that may be established under ORS 215.283 (2), and subject to the approval of the governing body or its designate in any area zoned for exclusive farm use subject to ORS 215.296, the use of existing railroad loading and unloading facilities authorized to unload materials regulated under ORS chapter 459 and the expansion of such facilities by no greater than 30 percent, for the unloading of materials regulated under ORS chapter 466 for transfer to a facility permitted to dispose of materials regulated under ORS chapter 466, may be allowed.
(2) A permit for a use allowed under subsection (1) of this section must be applied for no later than December 31, 1993.
(3) A county shall allow an application for a permit authorizing the use allowed under this section prior to the adoption of amendments to the comprehensive plan or land use regulations.