Oregon Revised Statutes Counties and County Officers § 215.456

(1) A local government may authorize the siting of a winery, on land zoned for exclusive farm use, pursuant to the standards that apply to a commercial activity in conjunction with farm use under ORS 215.213 (2)(c) or 215.283 (2)(a) or other law if the winery:

(2) If a county authorizes the establishment of a winery on land zoned for exclusive farm use or mixed farm and forest use under provisions of law other than ORS 215.452 or 215.453 after June 28, 2013, the gross income of the winery from any activity other than the production or sale of wine may not exceed 25 percent of the gross income from the on-site retail sale of wine produced in conjunction with the winery. The gross income of a winery does not include income received by third parties unaffiliated with the winery.