If an individual does not request a hearing pursuant to subsection (e) of this section and the Attorney General issues an order pursuant to such subsection, or if an individual does not under subsection (g) of this section seek judicial review of such an order, the Attorney General may commence a civil action in any appropriate district court of the United States for the purpose of recovering the amount assessed and an amount representing interest at a rate computed in accordance with section
1961 of title
28. Such interest shall accrue from the expiration of the 30-day period described in subsection (g) of this section. In such an action, the decision of the Attorney General to issue the order, and the amount of the penalty assessed by the Attorney General, shall not be subject to review.