A petition under paragraph (1) concerning an obligation may be filed not later than 2 years after the date of imposition of the obligation.
The petitioner shall be given the opportunity for a hearing on a petition filed under paragraph (1), in accordance with regulations issued by the Secretary.
After a hearing under paragraph (3), the Secretary shall issue a ruling on the petition that is the subject of the hearing, which shall be final if the ruling is in accordance with applicable law.
The district court of the United States for any district in which a person who is a petitioner under subsection (a) resides or carries on business shall have jurisdiction to review a ruling on the petition, if the person files a complaint not later than 20 days after the date of issuance of the ruling under subsection (a)(4).
The pendency of proceedings instituted under subsection (a) may not impede, hinder, or delay the Secretary or the Attorney General from taking action under section 7487 of this title.