- 9 - recoupment. Specifically, we must decide whether the tax that is the subject of a litigant’s equitable recoupment defense must be one over which we have deficiency and overpayment jurisdiction under sections 6211 and 6212. I. Jurisdiction of the Tax Court A. Deficiency and Overpayment Jurisdiction Like other Federal courts, the Tax Court is a court of limited jurisdiction, and it may exercise its jurisdiction only to the extent authorized by Congress. Naftel v. Commissioner, 85 T.C. 527, 529 (1985). Section 7442 expressly provides that the Court and its divisions shall have such jurisdiction as is conferred on them by the Internal Revenue Code and by laws enacted after February 26, 1926. See Adams v. Commissioner, 70 T.C. 446, 447 (1978); Chatterji v. Commissioner, 54 T.C. 1402, 1406 (1970). Petitioners each received a notice of deficiency, and they invoked our jurisdiction by filing a petition for redetermination of a deficiency under section 6213(a). Section 6214(a) grants us jurisdiction to redetermine the correct amount of a deficiency and to determine whether any additional amounts or any additions to tax should be assessed. Section 6211(a) in relevant part defines the term “deficiency” as the amount by which the tax imposed by subtitle A (sections 1 through 1563) or subtitle B (sections 2001 through 2704), or chapter 41 (sections 4911 andPage: Previous 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 NextLast modified: March 27, 2008