Oregon Revised Statutes Public Health and Safety § 462.150

(1) If during any race meet conducted under this chapter, there is an underpayment of the amount actually due to any wagerer, the amount of such underpayment shall revert and belong to the state and be paid to the Oregon Racing Commission and become a part of its fund and shall not be retained by the licensee under whose license such race is held.

(2) However, if any government or governmental agency imposes a levy on the licensee, by a tax on the money so wagered and upon or against its receipts, the licensee may collect in addition to the percentage and the breaks allowed under ORS 462.140, the amount of the tax so levied.