CFR›Title 38›Chapter I›Part 21›Subpart P›Subject Group Definitions ContainsSections 21.9505–21.9506CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Sections 21.9505 § 21.9505 Definitions—for provisions effective before August 1, 2011. 21.9506 § 21.9506 Definitions—for provisions effective after July 31, 2011. Previous Course Assessment Course Assessment Next Eligibility Eligibility