Title 1
General Provisions
36 parts · 288 sections · Last amended Dec 29, 2022
OPENING THE RECORD
OPENING THE RECORD
THE CODE OF FEDERAL REGULATIONS
Congress passes laws; agencies write the rules that carry them out. Those rules are organised into 50 titles.
Electronic edition current as of Sep 17, 2026. This library lists the structure and links the official text.
36 parts · 288 sections · Last amended Dec 29, 2022
181 parts · 1,522 sections · Last amended Aug 17, 2026
4 parts · 27 sections · Last amended Mar 17, 2015
21 parts · 222 sections · Last amended Jul 18, 2024
420 parts · 5,383 sections · Last amended Sep 15, 2026
28 parts · 584 sections · Last amended Jul 6, 2026
548 parts · 17,205 sections · Last amended Sep 16, 2026
132 parts · 989 sections · Last amended Sep 16, 2026
153 parts · 2,440 sections · Last amended Jul 20, 2026
201 parts · 5,255 sections · Last amended Sep 14, 2026
57 parts · 587 sections · Last amended Feb 20, 2025
449 parts · 7,180 sections · Last amended Sep 14, 2026
55 parts · 1,707 sections · Last amended Sep 10, 2026
226 parts · 6,363 sections · Last amended Sep 15, 2026
180 parts · 2,237 sections · Last amended Aug 28, 2026
229 parts · 2,158 sections · Last amended Sep 17, 2026
130 parts · 3,525 sections · Last amended Sep 16, 2026
137 parts · 2,048 sections · Last amended Aug 24, 2026
83 parts · 3,172 sections · Last amended Aug 26, 2026
177 parts · 5,635 sections · Last amended Sep 16, 2026
275 parts · 8,416 sections · Last amended Sep 16, 2026
243 parts · 3,408 sections · Last amended Sep 16, 2026
75 parts · 987 sections · Last amended Sep 11, 2026
177 parts · 4,877 sections · Last amended Aug 20, 2026
185 parts · 4,747 sections · Last amended Dec 1, 2025
89 parts · 6,158 sections · Last amended Sep 8, 2026
48 parts · 3,952 sections · Last amended Sep 16, 2026
158 parts · 3,071 sections · Last amended Sep 10, 2026
328 parts · 7,271 sections · Last amended Sep 9, 2026
220 parts · 5,954 sections · Last amended Sep 10, 2026
211 parts · 5,442 sections · Last amended Sep 10, 2026
269 parts · 3,640 sections · Last amended Aug 17, 2026
151 parts · 4,652 sections · Last amended Sep 17, 2026
141 parts · 3,259 sections · Last amended Aug 31, 2026
191 parts · 3,135 sections · Last amended Sep 11, 2026
73 parts · 1,331 sections · Last amended Aug 26, 2026
59 parts · 2,953 sections · Last amended Aug 27, 2026
103 parts · 1,137 sections · Last amended Jun 12, 2026
379 parts · 24,651 sections · Last amended Sep 17, 2026
209 parts · 3,085 sections · Last amended Sep 14, 2026
161 parts · 7,290 sections · Last amended Aug 13, 2026
189 parts · 5,436 sections · Last amended Aug 12, 2026
97 parts · 943 sections · Last amended Jun 22, 2026
376 parts · 5,809 sections · Last amended Aug 31, 2026
242 parts · 8,430 sections · Last amended Sep 1, 2026
79 parts · 5,178 sections · Last amended Sep 14, 2026
973 parts · 11,550 sections · Last amended Sep 1, 2026
419 parts · 8,998 sections · Last amended Sep 17, 2026
100 parts · 3,213 sections · Last amended Sep 15, 2026
Initial import pending. Coverage is measured against the published eCFR title index.