2013 ORS § 133.310¹
Authority of peace officer to arrest without warrant

(1) A peace officer may arrest a person without a warrant if the officer has probable cause to believe that the person has committed any of the following:

(a) A felony.

(b) A misdemeanor.

(c) An unclassified offense for which the maximum penalty allowed by law is equal to or greater than the maximum penalty allowed for a Class C misdemeanor.

(d) Any other crime committed in the officers presence.

(2) A peace officer may arrest a person without a warrant when the peace officer is notified by telegraph, telephone, radio or other mode of communication by another peace officer of any state that there exists a duly issued warrant for the arrest of a person within the other peace officers jurisdiction.

(3) A peace officer shall arrest and take into custody a person without a warrant when the peace officer has probable cause to believe that:

(a) There exists an order issued pursuant to ORS 30.866 (Action for issuance or violation of stalking protective order), 107.095 (Provisions court may make after commencement of suit and before judgment) (1)(c) or (d), 107.716 (Hearing), 107.718 (Restraining order), 124.015 (Hearing upon request of respondent), 124.020 (Ex parte hearing), 163.738 (Effect of citation), 163.765 (Restraining order), 163.767 (Hearing) or 419B.845 (Restraining order when child abuse alleged) restraining the person;

(b) A true copy of the order and proof of service on the person has been filed as required in ORS 107.720 (Enforcement of restraining orders), 124.030 (Proof of service of restraining order to be delivered to sheriff), 163.741 (Service of stalking protective order), 163.773 (Enforcement of restraining order) or 419B.845 (Restraining order when child abuse alleged); and

(c) The person to be arrested has violated the terms of that order.

(4) A peace officer shall arrest and take into custody a person without a warrant if:

(a) The person protected by a foreign restraining order as defined by ORS 24.190 (Foreign restraining orders) presents a copy of the foreign restraining order to the officer and represents to the officer that the order supplied is the most recent order in effect between the parties and that the person restrained by the order has been personally served with a copy of the order or has actual notice of the order; and

(b) The peace officer has probable cause to believe that the person to be arrested has violated the terms of the foreign restraining order.

(5) A peace officer shall arrest and take into custody a person without a warrant if:

(a) The person protected by a foreign restraining order as defined by ORS 24.190 (Foreign restraining orders) has filed a copy of the foreign restraining order with a court or has been identified by the officer as a party protected by a foreign restraining order entered in the Law Enforcement Data System or in the databases of the National Crime Information Center of the United States Department of Justice; and

(b) The peace officer has probable cause to believe that the person to be arrested has violated the terms of the foreign restraining order.

(6) A peace officer shall arrest and take into custody a person without a warrant if the peace officer has probable cause to believe:

(a) The person has been charged with an offense and is presently released as to that charge under ORS 135.230 (Definitions for ORS 135.230 to 135.290) to 135.290 (Punishment by contempt of court); and

(b) The person has failed to comply with a no contact condition of the release agreement. [Amended by 1963 c.448 §1; 1973 c.836 §72; 1974 c.42 §2; 1977 c.845 §2; 1979 c.522 §2; 1981 c.780 §8; 1981 c.818 §2; 1983 c.338 §887; 1983 c.661 §7; 1987 c.730 §4a; 1989 c.171 §15; 1991 c.208 §2; 1991 c.222 §2; 1993 c.626 §10; 1993 c.731 §3; 1995 c.353 §11; 1995 c.666 §24; 1997 c.249 §45; 1997 c.863 §2; 1999 c.250 §2; 1999 c.1040 §8; 1999 c.1051 §68; 2005 c.753 §1; 2013 c.687 §15]