1 CFR 21.9 : General Provisions (§ 1.1 To §§ 500.171-500.999) — (§ 1.1 To §§ 500.171-500.999) — Administrative Committee Of The Federal Register (§ 1.1 To Parts 23-49) — Preparation, Transmittal, And Processing Of Documents (§ 15.1 To Parts 23-49) — Preparation Of Documents Subject To Codification (§ 21.1 To § 21.53) — General (§ 21.1 To § 21.35) — Code Structure (§ 21.7 To § 21.10) — Parts, subparts, and undesignated center heads.

4 Aug 2016

(a) The normal divisions of a chapter are parts, consisting of a unified body of regulations applying to a specific function of an issuing agency or devoted to specific subject matter under the control of that agency.

(b) Subparts or undesignated center heads may be used to group related sections within a part. Undesignated center heads may also be used to group sections within a subpart.

1 CFR 21.9