CFR > Title 1 - General Provisions > CHAPTER I—ADMINISTRATIVE COMMITTEE OF THE FEDERAL REGISTER > SUBCHAPTER E—PREPARATION, TRANSMITTAL, AND PROCESSING OF DOCUMENTS (parts 15 to 22) > PART 21—PREPARATION OF DOCUMENTS SUBJECT TO CODIFICATION > SUBPART A—General (§21.1 to §21.35) > 21.11—Standard organization of the Code of Federal Regulations.

21.11—Standard organization of the Code of Federal Regulations.

The standard organization consists of the following structural units:
(a) Titles, which are numbered consecutively in Arabic throughout the Code;
(b) Subtitles, which are lettered consecutively in capitals throughout the title;
(c) Chapters, which are numbered consecutively in Roman capitals throughout each title;
(d) Subchapters, which are lettered consecutively in capitals throughout the chapter;
(e) Parts, which are numbered in Arabic throughout each title;
(f) Subparts, which are lettered in capitals;
(g) Sections, which are numbered in Arabic throughout each part. A section number includes the number of the part followed by a period and the number of the section. For example, the section number for section 15 of part 21 is “ § 21.15 ”; and
(h) Paragraphs, which are designated as follows:
level 1(a), (b), (c), etc.
level 2(1), (2), (3), etc.
level 3(i), (ii), (iii), etc.
level 4(A), (B), (C), etc.
level 5(1), (2), (3), etc.
level 6(i), (ii), (iii), etc.

Code of Federal Regulations

[54 FR 9682, Mar. 7, 1989; 54 FR 23343, May 31, 1989]