Subpart A. Subpart A—General

• § 21.1 - Drafting.
• § 21.6 - Notice of expiration of codified material.

• Code Structure

  • SECTION § 21.7 - Titles and subtitles.
  • SECTION § 21.8 - Chapters and subchapters.
  • SECTION § 21.9 - Parts, subparts, and undesignated center heads.
  • SECTION § 21.10 - Sections.

• Numbering

  • SECTION § 21.11 - Standard organization of the Code of Federal Regulations.
  • SECTION § 21.12 - Reservation of numbers.
  • SECTION § 21.14 - Deviations from standard organization of the Code of Federal Regulations.

• Headings

  • SECTION § 21.16 - Required document headings.
  • SECTION § 21.18 - Tables of contents.
  • SECTION § 21.19 - Composition of part headings.

• Amendments

  • SECTION § 21.20 - General requirements.

• References

  • SECTION § 21.21 - General requirements: References.
  • SECTION § 21.23 - Parallel citations of Code and Federal Register.
  • SECTION § 21.24 - References to 1938 edition of Code.

• Effective Date Statement

  • SECTION § 21.30 - General.

• OMB Control Numbers

  • SECTION § 21.35 - OMB control numbers.