CFR›Title 32›Subtitle A›Chapter I›Part 21›Subpart A ContainsSection 21.100CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart A—Introduction Sections 21.100 § 21.100 What are the purposes of this part? Next Appendix A to Part 21 Appendix A to Part 21—Instruments to Which DoDGARs Portions Apply