Oregon Revised Statutes Procedure in Criminal Matters Generally § 137.131

(1) The court shall impose community service as a condition of a probation sentence when a person is convicted of criminal mischief and the conduct engaged in consists of defacing property by creating graffiti unless the sentence includes incarceration in a county jail or a state correctional institution.

(2) The community service must include removing graffiti, either those that the defendant created or those created by another, or both.