Chapters and subchapters.
CFR · 2024-01-01 · US · Title 1
(a) The normal divisions of a title are chapters, assigned to the various agencies within a title descriptive of the subject matter covered by the agencies' regulations. (b) Subchapters may be used to group related parts within a chapter. (c) Chapter and subchapter assignments are made by the Office of the
official document · source cfr-2024 · id 1:§ 21.8