Title 26 › Subtitle F — Procedure and Administration › CHAPTER 76 — JUDICIAL PROCEEDINGS › Subchapter D — Court Review of Tax Court Decisions › § 7481
A Tax Court decision becomes final when no one files a proper appeal in time or when higher courts finish reviewing it and no further review is taken. If no notice of appeal is filed by the deadline, the decision is final. If a Court of Appeals affirms or dismisses the case, the decision is final when the time to ask the Supreme Court for review (petition for certiorari) runs out, or when the Supreme Court denies review, or 30 days after the Supreme Court issues its final order (mandate) directing affirmance or dismissal. If a higher court orders the Tax Court to change or reverse its decision, the Tax Court’s new decision becomes final 30 days after it is entered unless the taxpayer or the Secretary asks within those 30 days to have it corrected to match the higher court’s order. If the case is sent back for rehearing, the final date follows the same rules. Some special cases work differently. Decisions in cases under sections 7436(c) or 7463 become final 90 days after they are entered. If, within 1 year after a decision becomes final, a taxpayer who paid the assessed tax and interest asks the Tax Court to redetermine interest and the Tax Court earlier found an overpayment, the Court can reopen the case only to decide interest overpayment or underpayment; that decision is treated and reviewed like an overpayment of tax. For estates with payment time extended under section 6166, the Tax Court may reopen only to adjust deductions for certain interest treated as estate administration expenses under section 2053; any order on that motion is reviewable only for those issues. Mandate: the final order sent by a higher court.
Full Legal Text
Internal Revenue Code, Source: USLM XML via OLRC
Legislative History
Reference
Citation
26 U.S.C. § 7481
Title 26, Internal Revenue Code
Last Updated
Sep 22, 2026
Release point: 119-110