Or. Rev. Stat. § 646A.486
(1) Except as provided in subsection (2) of this section, a vehicle repair shop may not take any of the following actions if an estimate prepared under ORS 646A.482 shows that taking the action will cost the owner or the owner’s designee more than $200:
(c) Perform labor or replace or recondition a part in order to:
(2) A vehicle repair shop shall obtain a separate authorization from the owner or the owner’s designee before taking an action described in subsection (1) of this section. After consulting with the owner or owner’s designee, the vehicle repair shop shall:
(3) The vehicle repair shop may obtain authorization or assent by any of the following means:
[2009 c.133 §3]