CFR›Title 19›Chapter I›Part 172›Subpart A ContainsSections 172.1–172.4CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart A—Notice of Claim and Application for Relief Sections 172.1 § 172.1 Notice of liquidated damages or penalty incurred and right to petition for relief. 172.2 § 172.2 Petition for relief. 172.3 § 172.3 Filing a petition. 172.4 § 172.4 Demand on surety. Previous 172.0 § 172.0 Scope. Next B Subpart B—Action on Petitions