The Commission shall charge interest, at a rate determined under section 3717 of title 31, on a fee under section 158 or 159 of this title or an additional penalty under this subsection that is not paid in a timely manner. Such section 3717 shall not otherwise apply with respect to such a fee or penalty.
Revocation action may be taken by the Commission under this paragraph after notice of the Commission’s intent to take such action is sent to the licensee by registered mail, return receipt requested, at the licensee’s last known address. The notice shall provide the licensee at least 30 days to either pay the fee, interest, and any penalty or show cause why the fee, interest, or penalty does not apply to the licensee or should otherwise be waived or payment deferred.
A hearing is not required under this paragraph unless the licensee’s response presents a substantial and material question of fact.
In any case where a hearing is conducted under this paragraph, the hearing shall be based on written evidence only, and the burden of proceeding with the introduction of evidence and the burden of proof shall be on the licensee.