CFR›Title 19›Chapter I›Part 174›Subpart A ContainsSections 174.1–174.3CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart A—General Provisions Sections 174.1 § 174.1 Definitions. 174.2 § 174.2 Applicability of provisions. 174.3 § 174.3 Power of attorney to file protest. Previous 174.0 § 174.0 Scope. Next B Subpart B—Protests