Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF)
133,539Words in 10 parts
13.0Restriction density (per 1,000 words)
18.0Reading grade
45.8%Unchanged since 2017
0Flagged parts
2026-10-26Last change
Section changes per year
From the eCFR versioner, for the parts that the agency owns now. Before 2017 is the baseline load.
Text and size
- Sentences
- 32.4 words on average; 25.7% over 40 words; 31.4% passive; 11.6 cross-references per 1,000 words
- Sentence types
- definition 1.5% · prohibition 4.3% · paperwork 13.9% · obligation 14.7% · permission 9.1% · other 56.5%
- Checksum
d55c99a2c3c0bac73ab583ab51877dad71f38fbd05b907aa9789d5b228a50fce
Review candidates in this agency
| Rank | Part | Words | Score |
|---|---|---|---|
| 689 | 27 CFR 478
COMMERCE IN FIREARMS AND AMMUNITION
High signals: Size
+1.9 SD · Paperwork share
+1.1 SD |
51,613 | 0.68 |
| 962 | 27 CFR 479
MACHINE GUNS, DESTRUCTIVE DEVICES, AND CERTAIN OTHER FIREARMS
High signals: Paperwork share
+1.2 SD · Size
+1.1 SD |
22,071 | 0.57 |
| 1,871 | 27 CFR 771
RULES OF PRACTICE IN EXPLOSIVE LICENSE AND PERMIT PROCEEDINGS
High signals: Paperwork share
+1.4 SD · Restriction density
+1.2 SD |
10,452 | 0.31 |
| 2,458 | 27 CFR 555
COMMERCE IN EXPLOSIVES
High signals: Size
+1.6 SD |
37,546 | 0.16 |
| 3,962 | 27 CFR 646
CONTRABAND CIGARETTES AND SMOKELESS TOBACCO
High signals: none above 1 SD; ranked by the combined score |
3,074 | -0.17 |
| 5,355 | 27 CFR 447
IMPORTATION OF ARMS, AMMUNITION AND IMPLEMENTS OF WAR
High signals: none above 1 SD; ranked by the combined score |
8,767 | -0.55 |
Score: the mean of six signals, in standard deviations (SD). Across the CFR, the top 641 of 6,402 ranked parts (10%) get a flag for review; this list shows 6. A flag is not a finding.
Statutes behind the most text
- 18 U.S.C. 847: 89,159 words in 2 parts (66.8% of this agency's text)
- 44 U.S.C. 3504: 51,613 words in 1 parts (38.7% of this agency's text)
- 5 U.S.C. 552: 51,613 words in 1 parts (38.7% of this agency's text)
- 26 U.S.C. 5801: 22,071 words in 1 parts (16.5% of this agency's text)
- 26 U.S.C. 7801: 22,071 words in 1 parts (16.5% of this agency's text)
- 26 U.S.C. 7805: 22,071 words in 1 parts (16.5% of this agency's text)
- 18 U.S.C. 843: 10,452 words in 1 parts (7.8% of this agency's text)
- 22 U.S.C. 2778: 8,767 words in 1 parts (6.6% of this agency's text)
- 18 U.S.C. 2341: 3,074 words in 1 parts (2.3% of this agency's text)
From the authority notes. A citation is not proof that the statute requires the rule.
Largest parts
- 27 CFR 478: COMMERCE IN FIREARMS AND AMMUNITION (51,613 words)
- 27 CFR 555: COMMERCE IN EXPLOSIVES (37,546 words)
- 27 CFR 479: MACHINE GUNS, DESTRUCTIVE DEVICES, AND CERTAIN OTHER FIREARMS (22,071 words)
- 27 CFR 771: RULES OF PRACTICE IN EXPLOSIVE LICENSE AND PERMIT PROCEEDINGS (10,452 words)
- 27 CFR 447: IMPORTATION OF ARMS, AMMUNITION AND IMPLEMENTS OF WAR (8,767 words)
- 27 CFR 646: CONTRABAND CIGARETTES AND SMOKELESS TOBACCO (3,074 words)
- 27 CFR 400-446: PARTS 400-446 [RESERVED] (4 words)
- 27 CFR 647-699: PARTS 647-699 [RESERVED] (4 words)
- 27 CFR 700-770: PARTS 700-770 [RESERVED] (4 words)
- 27 CFR 772-799: PARTS 772-799 [RESERVED] (4 words)
Reading grade and sentence types are approximate. Simple rules label each sentence; the first match wins.