Animal and Plant Health Inspection Service (APHIS)
913,992Words in 97 parts
14.6Restriction density (per 1,000 words)
18.7Reading grade
63.6%Unchanged since 2017
10Flagged parts
2026-10-08Last 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
- 32.9 words on average; 26.1% over 40 words; 44.9% passive; 9.0 cross-references per 1,000 words
- Sentence types
- definition 2.4% · prohibition 3.4% · paperwork 5.2% · obligation 29.4% · permission 9.8% · other 49.9%
- Checksum
0472e9fa2d010d7fb214bcc62ddacbf507c908e9eafd66b41111a16150be1144
Review candidates in this agency
| Rank | Part | Words | Score |
|---|---|---|---|
| 13 top 10% | 9 CFR 116
RECORDS AND REPORTS
High signals: Paperwork share
+6.5 SD · Restriction density
+3.0 SD · Directive share
+2.5 SD |
1,554 | 1.75 |
| 45 top 10% | 7 CFR 351
IMPORTATION OF PLANTS OR PLANT PRODUCTS BY MAIL
High signals: Paperwork share
+3.2 SD · Directive share
+2.8 SD · Reading grade
+1.6 SD · Restriction density
+1.1 SD |
1,473 | 1.40 |
| 73 top 10% | 9 CFR 104
PERMITS FOR BIOLOGICAL PRODUCTS
High signals: Directive share
+3.3 SD · Restriction density
+3.3 SD · Paperwork share
+1.0 SD |
1,875 | 1.23 |
| 75 top 10% | 9 CFR 2
REGULATIONS
High signals: Directive share
+2.2 SD · Paperwork share
+1.8 SD · Restriction density
+1.4 SD · Reading grade
+1.4 SD · Size
+1.2 SD |
23,569 | 1.23 |
| 95 top 10% | 7 CFR 356
FORFEITURE PROCEDURES
High signals: Restriction density
+2.5 SD · Directive share
+2.3 SD · Paperwork share
+1.9 SD |
2,858 | 1.16 |
| 102 top 10% | 9 CFR 113
STANDARD REQUIREMENTS
High signals: Restriction density
+3.5 SD · Directive share
+2.4 SD · Size
+2.2 SD |
80,926 | 1.15 |
| 107 top 10% | 9 CFR 3
STANDARDS
High signals: Restriction density
+2.7 SD · Directive share
+2.7 SD · Size
+2.0 SD |
60,247 | 1.13 |
| 180 top 10% | 9 CFR 112
PACKAGING AND LABELING
High signals: Directive share
+2.5 SD · Restriction density
+2.0 SD |
6,763 | 1.03 |
| 248 top 10% | 9 CFR 102
LICENSES FOR BIOLOGICAL PRODUCTS
High signals: Paperwork share
+2.0 SD · Restriction density
+1.7 SD · Directive share
+1.7 SD |
2,069 | 0.93 |
| 615 top 10% | 9 CFR 105
SUSPENSION, REVOCATION, OR TERMINATION OF BIOLOGICAL LICENSES OR PERMITS
High signals: Reading grade
+2.8 SD · Paperwork share
+1.3 SD · Directive share
+1.1 SD |
1,001 | 0.72 |
| 759 | 9 CFR 93
IMPORTATION OF CERTAIN ANIMALS, BIRDS, FISH, AND POULTRY, AND CERTAIN ANIMAL, BIRD, AND POULTRY PRODUCTS; REQUIREMENTS FOR MEANS OF CONVEYANCE AND SHIPPING CONTAINERS
High signals: Size
+2.4 SD |
98,968 | 0.66 |
| 871 | 9 CFR 117
ANIMALS AT LICENSED ESTABLISHMENTS
High signals: Directive share
+2.6 SD · Restriction density
+2.2 SD |
1,132 | 0.61 |
| 1,024 | 9 CFR 72
BOVINE BABESIOSIS
High signals: Restriction density
+1.4 SD · Reading grade
+1.3 SD · Directive share
+1.2 SD |
3,427 | 0.55 |
| 1,162 | 7 CFR 355
ENDANGERED SPECIES REGULATIONS CONCERNING TERRESTRIAL PLANTS
High signals: Paperwork share
+1.4 SD · Reading grade
+1.0 SD |
4,248 | 0.51 |
| 1,197 | 9 CFR 121
POSSESSION, USE, AND TRANSFER OF SELECT AGENTS AND TOXINS
High signals: Paperwork share
+1.5 SD |
14,097 | 0.50 |
| 1,237 | 9 CFR 103
EXPERIMENTAL PRODUCTION, DISTRIBUTION, AND EVALUATION OF BIOLOGICAL PRODUCTS PRIOR TO LICENSING
High signals: Directive share
+1.3 SD |
1,107 | 0.49 |
| 1,447 | 7 CFR 331
POSSESSION, USE, AND TRANSFER OF SELECT AGENTS AND TOXINS
High signals: Paperwork share
+1.1 SD |
9,497 | 0.43 |
| 1,468 | 7 CFR 340
INTRODUCTION OF ORGANISMS AND PRODUCTS ALTERED OR PRODUCED THROUGH GENETIC ENGINEERING WHICH ARE PLANT PESTS OR WHICH THERE IS REASON TO BELIEVE ARE PLANT PESTS
High signals: Paperwork share
+1.4 SD |
10,000 | 0.42 |
| 1,477 | 9 CFR 11
HORSE PROTECTION REGULATIONS
High signals: Directive share
+1.0 SD |
13,088 | 0.42 |
| 1,564 | 9 CFR 151
RECOGNITION OF BREEDS AND BOOKS OF RECORD OF PUREBRED ANIMALS
High signals: Paperwork share
+2.3 SD |
5,892 | 0.40 |
| 1,588 | 9 CFR 108
FACILITY REQUIREMENTS FOR LICENSED ESTABLISHMENTS
High signals: Restriction density
+2.7 SD · Directive share
+1.3 SD |
1,777 | 0.39 |
| 1,630 | 9 CFR 166
SWINE HEALTH PROTECTION
High signals: none above 1 SD; ranked by the combined score |
4,118 | 0.38 |
| 1,654 | 9 CFR 50
ANIMALS DESTROYED BECAUSE OF TUBERCULOSIS
High signals: none above 1 SD; ranked by the combined score |
6,427 | 0.37 |
| 1,864 | 9 CFR 98
IMPORTATION OF CERTAIN ANIMAL EMBRYOS AND ANIMAL SEMEN
High signals: none above 1 SD; ranked by the combined score |
15,140 | 0.31 |
| 1,869 | 9 CFR 161
REQUIREMENTS AND STANDARDS FOR ACCREDITED VETERINARIANS AND SUSPENSION OR REVOCATION OF SUCH ACCREDITATION
High signals: none above 1 SD; ranked by the combined score |
5,139 | 0.31 |
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 25. A flag is not a finding.
Statutes behind the most text
- 21 U.S.C. 136: 294,396 words in 14 parts (32.2% of this agency's text)
- 7 U.S.C. 8301: 252,349 words in 35 parts (27.6% of this agency's text)
- 31 U.S.C. 9701: 201,771 words in 8 parts (22.1% of this agency's text)
- 7 U.S.C. 7701: 154,210 words in 13 parts (16.9% of this agency's text)
- 7 U.S.C. 1622: 125,954 words in 5 parts (13.8% of this agency's text)
- 21 U.S.C. 151: 112,774 words in 18 parts (12.3% of this agency's text)
- 7 U.S.C. 1633: 106,001 words in 3 parts (11.6% of this agency's text)
- 7 U.S.C. 2131: 87,961 words in 3 parts (9.6% of this agency's text)
- 7 U.S.C. 1421: 77,732 words in 1 parts (8.5% of this agency's text)
- 7 U.S.C. 2133: 60,247 words in 1 parts (6.6% of this agency's text)
From the authority notes. A citation is not proof that the statute requires the rule.
Largest parts
- 9 CFR 93: IMPORTATION OF CERTAIN ANIMALS, BIRDS, FISH, AND POULTRY, AND CERTAIN ANIMAL, BIRD, AND POULTRY PRODUCTS; REQUIREMENTS FOR MEANS OF CONVEYANCE AND SHIPPING CONTAINERS (98,968 words)
- 9 CFR 113: STANDARD REQUIREMENTS (80,926 words)
- 7 CFR 301: DOMESTIC QUARANTINE NOTICES (77,732 words)
- 9 CFR 3: STANDARDS (60,247 words)
- 7 CFR 319: FOREIGN QUARANTINE NOTICES (54,212 words)
- 9 CFR 145: NATIONAL POULTRY IMPROVEMENT PLAN FOR BREEDING POULTRY (44,134 words)
- 9 CFR 94: FOOT-AND-MOUTH DISEASE, NEWCASTLE DISEASE, HIGHLY PATHOGENIC AVIAN INFLUENZA, AFRICAN SWINE FEVER, CLASSICAL SWINE FEVER, SWINE VESICULAR DISEASE, AND BOVINE SPONGIFORM ENCEPHALOPATHY: PROHIBITED AND RESTRICTED IMPORTATIONS (36,415 words)
- 9 CFR 78: BRUCELLOSIS (25,311 words)
- 9 CFR 2: REGULATIONS (23,569 words)
- 9 CFR 77: TUBERCULOSIS (20,281 words)
Reading grade and sentence types are approximate. Simple rules label each sentence; the first match wins.