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Title 1

Displaying title 1, up to date as of 8/06/2026. Title 1 was last amended 12/29/2022.
eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

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Headings

§ 21.16 Required document headings.

(a) Each rule and proposed rule document submitted to the Office of the Federal Register shall contain the following headings, when appropriate, on separate lines in the following order:

(1) Agency name;

(2) Subagency name;

(3) Numerical references to the CFR title and parts affected;

(4) Agency numbers of identifying symbol in brackets, if used;

(5) Brief subject heading describing the document.

(b) Each CFR section in the regulatory text of the document shall have a brief descriptive heading, preceding the text, on a separate line.

[50 FR 12468, Mar. 28, 1985]

§ 21.18 Tables of contents.

A table of contents shall be used at the beginning of the part whenever a new part is introduced, an existing part is completely revised, or a group of sections is revised or added and set forth as a subpart or otherwise separately grouped under a center head. The table shall follow the part heading and precede the text of the regulations in that part. It shall also list the headings for the subparts, undesignated center headings, sections in the part, and appendix headings to the part or subpart.

[37 FR 23611, Nov. 4, 1972, as amended at 54 FR 9682, Mar. 7, 1989]

§ 21.19 Composition of part headings.

Each part heading shall indicate briefly the general subject matter of the part. Phrases such as “Regulations under the Act of July 28, 1955” or other expressions that are not descriptive of the subject matter may not be used. Introductory expressions such as “Regulations governing” and “Rules applicable to” may not be used.