Proceedings for determination of employment status

If, in connection with an audit of any person, there is an actual controversy involving a determination by the Secretary as part of an examination that— A pleading may be filed under this section only by the person for whom the services are performed. If the Secretary sends by certified or registered mail notice to the petitioner of a determination by the Secretary described in subsection (a), no proceeding may be initiated under this section with respect to such determination unless the pleading is filed before the 91st day after the date of such mailing. If, during the pendency of any proceeding brought under this section, the petitioner changes his treatment for employment tax purposes of any individual whose employment status as an employee is involved in such proceeding (or of any individual holding a substantially similar position) to treatment as an employee, such change shall not be taken into account in the Tax Court’s determination under this section. At the option of the petitioner, concurred in by the Tax Court or a division thereof before the hearing of the case, proceedings under this section may (notwithstanding the provisions of section 7453) be conducted subject to the rules of evidence, practice, and procedure applicable under section 7463 if the amount of employment taxes placed in dispute is $50,000 or less for each calendar quarter involved. A decision entered in any proceeding conducted under this subsection shall not be reviewed in any other court and shall not be treated as a precedent for any other case not involving the same petitioner and the same determinations. Rules similar to the rules of the last sentence of subsection (a), and subsections (c), (d), and (e), of section 7463 shall apply to proceedings conducted under this subsection. The principles of subsections (a), (b), (c), (d), and (f) of section 6213, section 6214(a), section 6215, section 6503(a), section 6512, and section 7481 shall apply to proceedings brought under this section in the same manner as if the Secretary’s determination described in subsection (a) were a notice of deficiency. Section 7430 shall apply to proceedings brought under this section. The term “employment tax” means any tax imposed by subtitle C.