1 CFR § 21.11 — § 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. [ 54 FR 9682 , Mar. 7, 1989; 54 FR 23343 , May 31, 1989] {"origins":[{"level":"part","identifier":"21","label_level":"Part 21","hierarchy":{"title":"1","chapter":"I","subchapter":"E","part":"21"},"current":false,"authority":["\u003ca href=\"https://www.govinfo.gov/link/uscode/44/1506\" class=\"usc external\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e44 U.S.C. 1506\u003c/a\u003e; sec. 6, \u003ca href=\"https://www.federalregister.gov/executive-order/10530\" class=\"eo external\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eE.O. 10530\u003c/a\u003e, \u003ca href=\"https://www.federalregister.gov/citation/19-FR-2709\" class=\"fr-reference\" data-reference=\"19 FR 2709\"\u003e19 FR 2709\u003c/a\u003e; \u003ca href=\"/current/title-3\" class=\"cfr external\"\u003e3 CFR\u003c/a\u003e, 1954-1958 Comp., p. 189.\n"],"source":["\u003ca href=\"https://www.federalregister.gov/citation/37-FR-23611\" class=\"fr-reference\" data-reference=\"37 FR 23611\"\u003e37 FR 23611\u003c/a\u003e, Nov. 4, 1972, unless otherwise noted.\n"],"link":"/current/title-1/part-21","title":"Part 21"}]}