Disputes involving $50,000 or less

In the case of any petition filed with the Tax Court for a redetermination of a deficiency where neither the amount of the deficiency placed in dispute, nor the amount of any claimed overpayment, exceeds— A decision entered in any case in which the proceedings are conducted under this section shall not be reviewed in any other court and shall not be treated as a precedent for any other case. In any case in which the proceedings are conducted under this section, notwithstanding the provisions of sections 6214(a) and 6512(b), no decision shall be entered redetermining the amount of a deficiency, or determining an overpayment, except with respect to amounts placed in dispute within the limits described in subsection (a) and with respect to amounts conceded by the parties. At any time before a decision entered in a case in which the proceedings are conducted under this section becomes final, the taxpayer or the Secretary may request that further proceedings under this section in such case be discontinued. The Tax Court, or the division thereof hearing such case, may, if it finds that (1) there are reasonable grounds for believing that the amount of the deficiency placed in dispute, or the amount of an overpayment, exceeds the applicable jurisdictional amount described in subsection (a), and (2) the amount of such excess is large enough to justify granting such request, discontinue further proceedings in such case under this section. Upon any such discontinuance, proceedings in such case shall be conducted in the same manner as cases to which the provisions of sections 6214(a) and 6512(b) apply. For purposes of this section, the amount of any deficiency placed in dispute includes additions to the tax, additional amounts, and penalties imposed by chapter 68, to the extent that the procedures described in subchapter B of chapter 63 apply. At the option of the taxpayer concurred in by the Tax Court or a division thereof before the hearing of the case, proceedings may be conducted under this section (in the same manner as a case described in subsection (a)) in the case of—