- 15 - As a general rule, the party claiming the benefit of an equitable recoupment defense must establish that it applies. See Estate of Mueller v. Commissioner, supra at 556. In order to establish that equitable recoupment applies, a party must prove the following elements: (1) The overpayment or deficiency for which recoupment is sought by way of offset is barred by an expired period of limitation; (2) the time-barred overpayment or deficiency arose out of the same transaction, item, or taxable event as the overpayment or deficiency before the Court; (3) the transaction, item, or taxable event has been inconsistently subjected to two taxes; and (4) if the transaction, item, or taxable event involves two or more taxpayers, there is sufficient identity of interest between the taxpayers subject to the two taxes that the taxpayers should be treated as one. United States v. Dalm, supra at 604-605; Estate of Branson v. Commissioner, 113 T.C. 6, 15 (1999), affd. 264 F.3d 904 (9th Cir. 2001); Estate of Orenstein v. Commissioner, supra. B. Tax Court Jurisdiction To Apply Equitable Recoupment We addressed the question of our authority to consider a claim of equitable recoupment in Mueller II. In that case, we held that our authority to apply equitable recoupment was inherent in the jurisdiction conferred on us by statute to redetermine a tax deficiency. Estate of Mueller v. Commissioner, supra at 556. We concluded that exercising jurisdiction over thePage: Previous 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 NextLast modified: March 27, 2008