Oregon Revised Statutes Public Lands § 271.765

(1) ORS 271.715 to 271.795 apply to any interest created after October 15, 1983, that complies with ORS 271.715 to 271.795, whether designated as a conservation easement or highway scenic preservation easement, or as a covenant, equitable servitude, restriction, easement, or otherwise.

(2) ORS 271.715 to 271.795 apply to any interest created before October 15, 1983, if it would have been enforceable had it been created after October 15, 1983, unless retroactive application contravenes the Constitution or laws of this state or the United States.

(3) ORS 271.715 to 271.795 do not invalidate any interest, whether designated as a conservation or preservation easement or as a covenant, equitable servitude, restriction, easement, or otherwise, that is enforceable under other law of this state.