Code of Federal Regulations Title 43. Public Lands:  Interior § 43.3163.4 Failure to pay

If any person fails to pay an assessment or a civil penalty under § 3163.1 or § 3163.2 of this title after the order making the assessment or penalty becomes a final order, and if such person does not file a petition for judicial review in accordance with this subpart, or, after a court in an action brought under this subpart has entered a final judgment in favor of the Secretary, the court shall have jurisdiction to award the amount assessed plus interest from the date of the expiration of the 90–day period provided by § 3165.4(e) of this title. The Federal Oil and Gas Royalty Management Act requires that any judgment by the court shall include an order to pay.