The Oregon kicker credit returns surplus state revenue to taxpayers when Oregon’s General Fund collections exceed the official biennial forecast by at least 2%. The credit amount is tied to each filer’s prior-year Oregon income tax liability, multiplied by a rate published by the Oregon Department of Revenue. For filers who itemized federal deductions and deducted Oregon state taxes in the prior year, the kicker can create federally taxable income under the IRS tax benefit rule. Standard deduction filers generally face no federal tax consequence. Oregon is unique among its neighbors, including Washington, Idaho, California, and Nevada, in having an automatic, constitutionally-driven refund mechanism. Knowing how to calculate the credit correctly, where to report it, and how it layers with other Oregon tax provisions helps avoid surprises at both the state and federal level.