CFR›Title 7›Subtitle B›Chapter I›Part 51›Subpart K›Subject Group Application of Tolerances ContainsSection 51.1307CorpusDaily eCFRDisplayed edition2026-05-08Last updated2026-05-08 Sections 51.1307 § 51.1307 Application of tolerances. Next Basis for Calculating Percentages Basis for Calculating Percentages