19 C.F.R. § 172.4 Demand on surety.
Title 19 - Customs Duties
If the principal fails to file a petition for relief or fails to comply in the prescribed time with a decision to mitigate a penalty or cancel a claim for liquidated damages issued with regard to a petition for relief, Customs will make a demand for payment on surety. The surety will then have 60 days from the date of the demand to file a petition for relief.
Title 19: Customs Duties
PART 172—CLAIMS FOR LIQUIDATED DAMAGES; PENALTIES SECURED BY BONDS
Subpart A—Notice of Claim and Application for Relief
§ 172.4 Demand on surety.

