CFR›Title 7›Subtitle B›Chapter I›Part 51›Subpart B›Subject Group Tolerances ContainsSection 51.306CorpusDaily eCFRDisplayed edition2026-05-20Last updated2026-05-20 Sections 51.306 § 51.306 Tolerances. Previous Packing Requirements Packing Requirements Next U.S. Condition Standards for Export U.S. Condition Standards for Export