Oregon Revised Statutes Revenue and Taxation § 318.074

(1) For tax years beginning on or after January 1, 2013, and before January 1, 2017, any revenue that is received as a result of a rate of tax above 7.5 percent imposed under this chapter and that is in excess of the revenue that would be received under this chapter at a rate of 7.5 percent shall be deposited into the Oregon Rainy Day Fund established by ORS 293.144.

(2) For tax years beginning on or after January 1, 2017, any revenue that is received as a result of a rate of tax above 7.2 percent imposed under this chapter and that is in excess of the revenue that would be received under this chapter at a rate of 7.2 percent shall be deposited into the Oregon Rainy Day Fund established by ORS 293.144.

(3) Before the end of each biennium, beginning with the biennium ending on June 30, 2015, the Department of Revenue shall estimate the revenue described in subsection (1) or (2) of this section that is received during the biennium. An amount equal to that estimate shall be transferred into the Oregon Rainy Day Fund established by ORS 293.144 on or before June 30 of each odd-numbered year.