2013 ORS § 133.805¹
Arrest without warrant

The arrest of a person may be lawfully made also by an officer or a private citizen without a warrant, upon reasonable information that the accused stands charged in the courts of another state with a crime punishable by death or imprisonment for a term exceeding one year, but when so arrested the accused must be taken before a judge or magistrate with all practicable speed and complaint must be made against the accused under oath setting forth the ground for the arrest as in ORS 133.803 (Arrest prior to requisition); and thereafter the answer of the accused shall be heard as if the accused had been arrested on a warrant. [Formerly 147.140]