Federal court

United States Tax Court

The 40 most recent opinions analysed by CaseDiver, newest first. Opening a case goes straight to the full opinion reader.

Recent opinions

Tax CourtAirbnb, Inc. & Subsidiaries

September 2, 2026

The United States Tax Court held that Tax Court Rule 143(g) does not apply to declarations submitted in support of a pretrial discovery protective‑order motion and consequently denied Airbnb's motions to strike those declarations.

Tax CourtJeffery Dieffenbach

August 13, 2026

The court sustained the deficiencies, additions to tax, and accuracy-related penalties determined against petitioner for 2015 through 2019. Respondent met its burdens of production through third-party income records, account transcripts, substitutes for returns, and penalty-approval forms, while petitioner offered no…

Tax CourtAladar Deutsch & Sylvia G. Deutsch

August 12, 2026

The Court held that petitioners were entitled to a 2010 theft-loss deduction of $925,000 for funds transferred in connection with the purported $70 million investment deal, but not for additional amounts advanced to cover Mr. Visel's living expenses.

Tax CourtHBM Holdings Company

July 27, 2026

The Tax Court granted the Commissioner partial summary judgment, holding that Delavau Holdings, LLC — a disregarded entity deemed to liquidate into HBM in a section 332 liquidation on June 30, 2018 — was a 'predecessor' of HBM under Treas. Reg.

The Tax Court held that Siemens was entitled to the full dividends-received deduction for its foreign-source dividend under section 245A. The court held that the Extraordinary Disposition Rules could not limit that deduction because they conflicted with the statute's clear text and exceeded Treasury's delegated…

Tax CourtHough Beck & Baird, Inc.

July 8, 2026

The Court held that the Commissioner properly used a supplemental assessment to recover employment taxes that had been mistakenly assessed as zero and refunded to petitioner. Because the erroneous assessment misstated petitioner’s liability by the entire amount of its reported employment tax, it was imperfect in a…

Tax CourtJohn R. Dee

July 2, 2026

The Court held that it had jurisdiction because the whistleblower's information was forwarded to an examination team while the target's examination remained open under the applicable IRS definition of a closed case.

Tax CourtMartin David Hoyle v. Commissioner of Internal Revenue

December 3, 2008131 T.C. 197

The Tax Court reviewed a notice of determination upholding a federal tax lien against petitioner's unpaid 1993 tax liability and held that it will examine the Appeals officer's section 6330(c)(1) verification — here, whether a duly mailed notice of deficiency preceded the assessment — regardless of whether the…

Tax CourtJoseph Giamelli v. Commissioner of Internal Revenue

October 30, 2007129 T.C. 107

The Tax Court denied the Commissioner's motion to dismiss for lack of prosecution after substituting Joann Giamelli, executrix of deceased petitioner Joseph Giamelli, and granted the Commissioner's Rule 121 motion for summary judgment upholding the Appeals Office's rejection of a proposed installment agreement and its…

The Tax Court sustained a $3,854 income tax deficiency and the section 6651(a)(1) failure-to-file addition against a taxpayer who filed no 2003 return and pressed frivolous Paperwork Reduction Act and notice-validity arguments, but it rejected the section 6651(a)(2) and section 6654 additions because the Commissioner…

Tax CourtEdward F. Murphy v. Commissioner of Internal Revenue

December 29, 2005125 T.C. 301

The Tax Court reviewed a settlement officer's determination that the IRS could levy to collect the petitioner's unpaid 1999 tax after rejecting his offer in compromise of $10,000 against a 1992-2001 liability of $275,777.

The Court dismissed the 1998 challenge for lack of jurisdiction because petitioners did not timely request a collection due process hearing after the first levy notice, and the later equivalent-hearing decision letter was not a reviewable determination.

The Tax Court, adopting the opinion of Chief Special Trial Judge Panuthos, denied the Commissioner's motion for summary judgment and held that section 6330(c)(2)(B) permits taxpayers to challenge the existence or amount of a tax liability they reported on their original return where they received no statutory notice…

Tax CourtFortunato J. Mendes v. Commissioner of Internal Revenue

December 11, 2003121 T.C. 308

The Court sustained the Commissioner's determination that the taxpayer had unreported income, lacked substantiation for claimed deductions and dependency exemptions, and owed the additional tax on an early retirement-plan distribution.

The court held that the Commissioner abused his discretion by denying petitioner equitable relief from the unpaid 1989 joint-return liability under section 6015(f). Petitioner lacked knowledge or reason to know that the liability would remain unpaid, would suffer substantial economic hardship, and did not benefit…

Tax CourtRosalinda E. Alt v. Commissioner of Internal Revenue

December 17, 2002119 T.C. 306

The Tax Court upheld the Commissioner's denial of innocent spouse relief to Rosalinda Alt under I.R.C. sec. 6015. It held it had jurisdiction under sec. 6015(e) over her stand-alone petition for 1982-1988 and over the failure to make any determination on her 1989 request, but denied relief on the merits: no relief was…

The court granted petitioners’ motion for partial summary judgment on whether their charitable transfers of stock warrants were anticipatory assignments of income. Treating the applicable revenue ruling as a concession by the Commissioner, the court held that the relevant inquiry was whether the charitable donees were…

Tax CourtElena Swain v. Commissioner of Internal Revenue

May 3, 2002118 T.C. 358

The court granted summary judgment because the 1996 limitations period had not expired when the deficiency notice was mailed, and the mailing suspended the limitations period. Because the petitioner’s other assignments of error had been struck, she was deemed to have conceded the deficiencies and accuracy-related…

Tax CourtMichael E. Nestor v. Commissioner of Internal Revenue

February 19, 2002118 T.C. 162

The Tax Court sustained the Commissioner's determination to proceed with collection of the taxpayer's 1992-97 income tax deficiencies, additions to tax, and interest, holding that section 6330(c)(2)(B) barred him from contesting the underlying liabilities because he had received notices of deficiency for those years…

The Tax Court sustained the Appeals officer's section 6330 determination, holding that she did not abuse her discretion by verifying the assessments with a Form 4340 or by refusing to produce other requested documents or witnesses, and that the Commissioner may proceed with the proposed levy for 1993-1995 income…

The Tax Court denied the Commissioner's motion for partial summary judgment, holding that the so-called 'one claim' rule of section 6427(i)(1) does not bar FPL Group from obtaining additional fuel tax credits under section 34 beyond the amounts claimed on its original consolidated returns for 1988 through 1992.

Tax CourtKathryn Cheshire v. Commissioner of Internal Revenue

August 30, 2000115 T.C. 183

The Tax Court denied Kathryn Cheshire innocent spouse relief under sections 6015(b) and (c) for omitted retirement distribution proceeds and interest income because she had actual knowledge of the items giving rise to the deficiency, holding that actual knowledge of an 'item giving rise to a deficiency' under section…

The Tax Court granted the Commissioner's motion for judgment on the pleadings in this collection due process case brought under section 6330(d), rejecting all three grounds on which the petitioner attacked the Appeals determination sustaining a proposed levy for his 1991, 1992, and 1993 income taxes.

In three consolidated test cases involving VEBA welfare benefit plans marketed by insurance promoters, the Tax Court held that corporate employer contributions in excess of the cost of current-year term life insurance are nondeductible disguised (constructive) distributions to the employee/owners, taxable as dividends…

The Tax Court sustained the Commissioner's collection due process determinations allowing levy to proceed against Steven and Davina Sego for taxable years 1993 through 1995. Because both petitioners received statutory notices of deficiency for those years — Steven returning his marked 'dishonored' and Davina refusing…

The Tax Court denied Jean Butler innocent spouse relief under section 6015(b)(1), holding that her college education, experience operating her own S corporation, control of the family's finances, the couple's ongoing IRS disputes over prior years, and her actual knowledge of her husband's BGE-DuPont settlement gave…

Tax CourtHoward Goza v. Commissioner of Internal Revenue

March 17, 2000114 T.C. 176

The Tax Court held that it has jurisdiction under section 6330(d) to review the Commissioner's notice of determination authorizing levy of Howard Goza's 1994-1996 income taxes, even though Goza never petitioned for redetermination of the underlying notice of deficiency.

Tax CourtJohn D. Shea v. Commissioner of Internal Revenue

April 1, 1999112 T.C. 183

The Tax Court sustained the Commissioner's bank-deposit-based increases to petitioner's gross receipts for 1990-1992 and disallowed nearly all of his Schedule C deductions for lack of substantiation, allowing only conceded items plus telephone expenses of $7,735 (1990) and $6,616 (1991).

The Tax Court sustained the Commissioner's denial of petitioners' request to abate interest assessed on Woody's Transport's 1988 employment taxes. Construing section 6404(g) by its plain language, the Court held it has jurisdiction to review failures to abate interest under all subsections of section 6404, including…