Oregon Revised Statutes Procedure in Criminal Matters Generally § 137.635

(1) When, in the case of a felony described in subsection (2) of this section, a court sentences a convicted defendant who has previously been convicted of any felony designated in subsection (2) of this section, the sentence shall not be an indeterminate sentence to which the defendant otherwise would be subject under ORS 137.120, but, unless it imposes a death penalty under ORS 163.105, the court shall impose a determinate sentence, the length of which the court shall determine, to the custody of the Department of Corrections. Any mandatory minimum sentence otherwise provided by law shall apply. The sentence shall not exceed the maximum sentence otherwise provided by law in such cases. The convicted defendant who is subject to this section shall not be eligible for probation. The convicted defendant shall serve the entire sentence imposed by the court and shall not, during the service of such a sentence, be eligible for parole or any form of temporary leave from custody. The person shall not be eligible for any reduction in sentence pursuant to ORS 421.120 or for any reduction in term of incarceration pursuant to ORS 421.121.

(2) Felonies to which subsection (1) of this section applies include and are limited to:

(3) When the court imposes a sentence under this section, the court shall indicate in the judgment that the defendant is subject to this section.