Oregon Revised Statutes Public Health and Safety § 447.156

(1) Except as provided under ORS 447.154 and subsection (3) of this section, no person shall offer to sell, sell or dispose of, by gift or otherwise, in connection with the person's business an uncertified plumbing product.

(2) The provisions of ORS 447.152, 447.154 and 447.156 do not apply to products determined by rule not to be plumbing products.

(3) In addition to any other remedy provided by law, any person who purchases a plumbing product sold or disposed of in violation of ORS 447.152 may recover from a person violating subsections (1) and (2) of this section an amount equal to the purchase price of the plumbing product if the purchaser returns the plumbing product within 90 days from the date of purchase.