Or. Rev. Stat. § 433.760
Notwithstanding any other provisions of law, the Oregon Health Authority shall, in accordance with the provisions of ORS chapter 183, make rules regulated according to anticipated crowds with respect to health and safety at outdoor mass gatherings which provide for:
[1971 c.597 §5; 1981 c.82 §4; 1985 c.758 §8; 2009 c.595 §682]