- 4 - return does not constitute a claim for refund, and that the Court is therefore precluded from determining a credit or refund of the overpayment pursuant to section 6512(b)(3)(B). If a notice of deficiency is issued to a taxpayer for a particular taxable period and the taxpayer files a timely petition in this Court claiming an overpayment for that taxable period, that overpayment may be refunded or credited only as provided in section 6512(b). Sec. 6512(b); Jackson v. Commissioner, T.C. Memo. 2002-44; sec. 301.6512-1(a), Proced. & Admin. Regs. With respect to a taxpayer’s claim to an overpayment in a proceeding before this Court, the requirements of section 6512(b) are jurisdictional. Commissioner v. Lundy, 516 U.S. 235 (1996); Harlan v. Commissioner, 116 T.C. 31, 32 n.2 (2001). Petitioner bears the burden of proving that his claimed overpayments are refundable under section 6512(b). Rule 142(a)(1). Section 6512(b)(3) limits the Court’s ability to order a credit or refund of an overpayment. Under section 6512(b)(3)(B), if a notice of deficiency is mailed within 3 years from the time the return was filed, the Court may order a credit or refund of an overpayment if the overpayment was made within the 3-year period immediately preceding the date of the mailing of the notice of deficiency, plus the period of any extension of time for filing the return. If the notice of deficiency was notPage: Previous 1 2 3 4 5 6 7 8 9 NextLast modified: November 10, 2007