Oregon Revised Statutes Oregon Vehicle Code § 813.011

(1) Driving under the influence of intoxicants under ORS 813.010 shall be a Class C felony if the defendant has been convicted of driving under the influence of intoxicants in violation of ORS 813.010, or its statutory counterpart in another jurisdiction, at least two times in the 10 years prior to the date of the current offense.

(2) Once a person has been sentenced for a Class C felony under this section, the 10-year time limitation is eliminated and any subsequent episode of driving under the influence of intoxicants shall be a Class C felony regardless of the amount of time which intervenes.

(3) Upon conviction for a Class C felony under this section, the person shall be sentenced to a mandatory minimum term of incarceration of 90 days, without reduction for any reason.