1. (1) Each prisoner convicted of an offense against the laws of this state, who is confined, in execution of the judgment or sentence upon conviction, including confinement imposed as a condition of probation pursuant to ORS 137.540, in a county local correctional facility in this state for a definite term, whose record of conduct shows that the prisoner has faithfully observed all the rules of the facility, is entitled, in the discretion of the sheriff or other officer having custody of such prisoner, to a deduction from the term of the sentence of the prisoner to be calculated as follows, commencing on the first day of the arrival of the prisoner at the facility to serve the sentence of the prisoner:

   1. (a) Upon a sentence of not less than 10 or more than 30 days, one day for each 10 days.
   2. (b) Upon a sentence of more than 30 days but not more than 90 days, three days for each 30-day period.
   3. (c) Upon a sentence of more than 90 days but not more than 180 days, four days for each 30-day period.
   4. (d) Upon a sentence of more than 180 days but not more than 270 days, five days for each 30-day period.
   5. (e) Upon a sentence of more than 270 days, six days for each 30-day period.

2. (2)

   1. (a) Deductions under this section may be allowed for time served in an alternative sentencing facility operated pursuant to a community corrections plan if the county governing body authorizes the allowing of deductions.
   2. (b) For purposes of calculating deductions allowable under paragraph (a) of this subsection, each day served in the facility is counted as a day of confinement.

[Amended by 1965 c.346 §3; 1971 c.196 §1; 1973 c.740 §13; 1979 c.487 §11; 2011 c.203 §1]