CFR›Title 30›Chapter I›Part 35›Subpart B ContainsSections 35.20–35.23CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart B—Test Requirements Sections 35.20 § 35.20 Autogenous-ignition temperature test. 35.21 § 35.21 Temperature-pressure spray-ignition tests. 35.22 § 35.22 Test to determine effect of evaporation on flammability. 35.23 § 35.23 Performance required for certification. Previous A Subpart A—General Provisions