Oregon Revised Statutes Procedure in Criminal Matters Generally § 137.523

(1) When the judge sentences the defendant to confinement in a county jail as a condition of probation, the judge shall sentence the defendant directly to the custody of the sheriff or the supervisory authority, as defined in rules of the Oregon Criminal Justice Commission, with jurisdiction over the county jail.

(2) When the judge recommends a custodial facility or program other than jail as a condition of probation, the judge shall sentence the defendant directly to the custody of the supervisory authority, as defined in rules of the Oregon Criminal Justice Commission, with jurisdiction over the facility or program. Before imposing such a sentence, the judge must determine from the supervisory authority that space is available in the facility or program and that the defendant meets the eligibility criteria established for the facility or program.

(3) A record of the time served by the defendant in custody under community supervision during probation shall be maintained as provided by rules adopted by the Oregon Criminal Justice Commission.