1 CFR § 21.19 - Composition of part headings.

---
identifier: "/us/cfr/t1/s21.19"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "1 CFR § 21.19 - Composition of part headings."
title_number: 1
title_name: "General Provisions"
section_number: "21.19"
section_name: "Composition of part headings."
chapter_name: "ADMINISTRATIVE COMMITTEE OF THE FEDERAL REGISTER"
subchapter_number: "E"
subchapter_name: "PREPARATION, TRANSMITTAL, AND PROCESSING OF DOCUMENTS"
part_number: "21"
part_name: "PREPARATION OF DOCUMENTS SUBJECT TO CODIFICATION"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "44 U.S.C. 1506; sec. 6, E.O. 10530, 19 FR 2709; 3 CFR, 1954-1958 Comp., p. 189."
regulatory_source: "37 FR 23611, Nov. 4, 1972, unless otherwise noted."
cfr_part: "21"
---


# 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.