Oregon Revised Statutes Public Health and Safety § 459.426

(1) Any person selling new lead-acid batteries shall post in each area where lead-acid batteries are sold a clearly visible and legible sign stating that:

(2) If a person selling new lead-acid batteries requires a customer to pay a fee for a new lead-acid battery if the customer does not provide a used lead-acid battery for trade-in, the dealer shall also include on or near the sign required under subsection (1) of this section a statement advising potential customers that the dealer charges a fee if the customer does not provide a used lead-acid battery for trade-in.