Section 133.055 – Criminal citation; exception for domestic disturbance; notice of rights
(2)(a) Notwithstanding the provisions of subsection (1) of this section, when a peace officer responds to an incident of domestic disturbance and has probable cause to believe that an assault has occurred between family or household members, as defined in ORS 107.705 (Definitions for ORS 107.700 to 107.735), or to believe that one such person has placed the other in fear of imminent serious physical injury, the officer shall arrest and take into custody the alleged assailant or potential assailant.