Oregon Revised Statutes Animals § 603.200

(1) In the absence of a contract or other agreement providing otherwise, any processor who purchases meat animals from the producers thereof shall make full payment therefor not later than the second business day after the day the processor takes delivery of any such meat animal.

(2) In the absence of a contract or other agreement providing otherwise, any meat seller who purchases meat or meat products from the processor thereof shall make full payment therefor not later than the seventh business day after the day the meat seller takes delivery of any such meat or meat product.

(3) Any person who fails to make payment as required by subsections (1) and (2) of this section shall pay, in addition to the amount due, interest thereon at the rate of one percent per month.

(4) As used in this section: