Library of Congress (LOC)
301,129Words in 56 parts
13.1Restriction density (per 1,000 words)
19.5Reading grade
10.8%Unchanged since 2017
1Flagged parts
2026-08-13Last 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
- 34.8 words on average; 28.8% over 40 words; 32.8% passive; 11.5 cross-references per 1,000 words
- Sentence types
- definition 4.3% · prohibition 2.8% · paperwork 12.2% · obligation 20.0% · permission 10.3% · other 50.4%
- Checksum
af0922159c9f6d625736756ebe91a4ddc6b60fcc714bfdcfa151dd7946fdfdc7
Review candidates in this agency
| Rank | Part | Words | Score |
|---|---|---|---|
| 446 top 10% | 37 CFR 210
COMPULSORY LICENSE FOR MAKING AND DISTRIBUTING PHYSICAL AND DIGITAL PHONORECORDS OF NONDRAMATIC MUSICAL WORKS
High signals: Size
+1.8 SD · Reading grade
+1.4 SD · Directive share
+1.2 SD · Paperwork share
+1.0 SD |
48,001 | 0.79 |
| 837 | 37 CFR 370
NOTICE AND RECORDKEEPING REQUIREMENTS FOR STATUTORY LICENSES
High signals: Paperwork share
+3.1 SD |
5,633 | 0.62 |
| 1,569 | 36 CFR 703
DISCLOSURE OR PRODUCTION OF RECORDS OR INFORMATION
High signals: Paperwork share
+1.5 SD |
3,930 | 0.40 |
| 1,700 | 37 CFR 384
RATES AND TERMS FOR THE MAKING OF EPHEMERAL RECORDINGS BY BUSINESS ESTABLISHMENT SERVICES
High signals: Paperwork share
+1.4 SD · Directive share
+1.1 SD |
4,617 | 0.36 |
| 1,740 | 37 CFR 355
ADMINISTRATIVE ASSESSMENT PROCEEDINGS
High signals: Directive share
+1.1 SD · Paperwork share
+1.1 SD |
4,759 | 0.34 |
| 1,879 | 37 CFR 222
PROCEEDINGS
High signals: none above 1 SD; ranked by the combined score |
14,238 | 0.31 |
| 1,890 | 37 CFR 387
ADJUSTMENT OF ROYALTY FEE FOR CABLE COMPULSORY LICENSE
High signals: Reading grade
+3.9 SD |
1,505 | 0.30 |
| 2,043 | 37 CFR 380
RATES AND TERMS FOR TRANSMISSIONS BY ELIGIBLE NONSUBSCRIPTION SERVICES AND NEW SUBSCRIPTION SERVICES AND FOR THE MAKING OF EPHEMERAL REPRODUCTIONS TO FACILITATE THOSE TRANSMISSIONS
High signals: none above 1 SD; ranked by the combined score |
16,072 | 0.26 |
| 2,046 | 37 CFR 201
GENERAL PROVISIONS
High signals: Size
+2.0 SD |
63,428 | 0.26 |
| 2,282 | 37 CFR 232
CONDUCT OF PARTIES
High signals: Paperwork share
+1.5 SD · Directive share
+1.2 SD · Restriction density
+1.0 SD |
2,215 | 0.21 |
| 2,476 | 37 CFR 227
DEFAULT
High signals: Restriction density
+2.8 SD · Directive share
+1.3 SD |
1,622 | 0.16 |
| 2,488 | 37 CFR 226
SMALLER CLAIMS
High signals: Restriction density
+1.9 SD · Directive share
+1.5 SD |
1,879 | 0.16 |
| 2,690 | 37 CFR 202
PREREGISTRATION AND REGISTRATION OF CLAIMS TO COPYRIGHT
High signals: Size
+1.7 SD |
40,890 | 0.11 |
| 2,701 | 36 CFR 702
CONDUCT ON LIBRARY PREMISES
High signals: none above 1 SD; ranked by the combined score |
3,107 | 0.11 |
| 2,741 | 37 CFR 381
USE OF CERTAIN COPYRIGHTED WORKS IN CONNECTION WITH NONCOMMERCIAL EDUCATIONAL BROADCASTING
High signals: Directive share
+1.3 SD |
6,788 | 0.10 |
| 3,093 | 37 CFR 225
DISCOVERY
High signals: Directive share
+1.0 SD |
4,894 | 0.02 |
| 3,156 | 37 CFR 211
MASK WORK PROTECTION
High signals: Paperwork share
+1.1 SD |
2,804 | 0.01 |
| 3,362 | 37 CFR 383
RATES AND TERMS FOR SUBSCRIPTION TRANSMISSIONS AND THE REPRODUCTION OF EPHEMERAL RECORDINGS BY CERTAIN NEW SUBSCRIPTION SERVICES
High signals: Restriction density
+1.1 SD |
2,472 | -0.04 |
| 3,501 | 37 CFR 303
GENERAL ADMINISTRATIVE PROVISIONS
High signals: Restriction density
+1.3 SD · Paperwork share
+1.2 SD |
4,179 | -0.07 |
| 3,563 | 36 CFR 701
PROCEDURES AND SERVICES
High signals: none above 1 SD; ranked by the combined score |
4,913 | -0.08 |
| 3,587 | 37 CFR 351
PROCEEDINGS
High signals: none above 1 SD; ranked by the combined score |
4,243 | -0.09 |
| 3,635 | 37 CFR 385
RATES AND TERMS FOR USE OF NONDRAMATIC MUSICAL WORKS IN THE MAKING AND DISTRIBUTING OF PHYSICAL AND DIGITAL PHONORECORDS
High signals: Reading grade
+1.2 SD |
15,334 | -0.10 |
| 3,687 | 37 CFR 360
FILING OF CLAIMS TO ROYALTY FEES COLLECTED UNDER COMPULSORY LICENSE
High signals: Paperwork share
+1.6 SD |
2,723 | -0.11 |
| 3,830 | 37 CFR 220
GENERAL PROVISIONS
High signals: Paperwork share
+1.1 SD |
2,120 | -0.14 |
| 4,267 | 37 CFR 382
RATES AND TERMS FOR TRANSMISSIONS OF SOUND RECORDINGS BY PREEXISTING SUBSCRIPTION SERVICES AND PREEXISTING SATELLITE DIGITAL AUDIO RADIO SERVICES AND FOR THE MAKING OF EPHEMERAL REPRODUCTIONS TO FACILITATE THOSE TRANSMISSIONS
High signals: none above 1 SD; ranked by the combined score |
4,538 | -0.25 |
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
- 17 U.S.C. 702: 108,626 words in 20 parts (36.1% of this agency's text)
- 17 U.S.C. 115: 71,004 words in 4 parts (23.6% of this agency's text)
- 17 U.S.C. 304: 63,428 words in 1 parts (21.1% of this agency's text)
- 17 U.S.C. 408: 40,890 words in 1 parts (13.6% of this agency's text)
- 17 U.S.C. 112: 33,332 words in 5 parts (11.1% of this agency's text)
- 2 U.S.C. 136: 13,117 words in 4 parts (4.4% of this agency's text)
- 5 U.S.C. 552: 9,973 words in 2 parts (3.3% of this agency's text)
- 17 U.S.C. 801: 9,319 words in 4 parts (3.1% of this agency's text)
- 17 U.S.C. 803: 9,073 words in 5 parts (3.0% of this agency's text)
- 17 U.S.C. 118: 6,788 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
- 37 CFR 201: GENERAL PROVISIONS (63,428 words)
- 37 CFR 210: COMPULSORY LICENSE FOR MAKING AND DISTRIBUTING PHYSICAL AND DIGITAL PHONORECORDS OF NONDRAMATIC MUSICAL WORKS (48,001 words)
- 37 CFR 202: PREREGISTRATION AND REGISTRATION OF CLAIMS TO COPYRIGHT (40,890 words)
- 37 CFR 380: RATES AND TERMS FOR TRANSMISSIONS BY ELIGIBLE NONSUBSCRIPTION SERVICES AND NEW SUBSCRIPTION SERVICES AND FOR THE MAKING OF EPHEMERAL REPRODUCTIONS TO FACILITATE THOSE TRANSMISSIONS (16,072 words)
- 37 CFR 385: RATES AND TERMS FOR USE OF NONDRAMATIC MUSICAL WORKS IN THE MAKING AND DISTRIBUTING OF PHYSICAL AND DIGITAL PHONORECORDS (15,334 words)
- 37 CFR 222: PROCEEDINGS (14,238 words)
- 37 CFR 203: FREEDOM OF INFORMATION ACT: POLICIES AND PROCEDURES (8,028 words)
- 37 CFR 381: USE OF CERTAIN COPYRIGHTED WORKS IN CONNECTION WITH NONCOMMERCIAL EDUCATIONAL BROADCASTING (6,788 words)
- 37 CFR 370: NOTICE AND RECORDKEEPING REQUIREMENTS FOR STATUTORY LICENSES (5,633 words)
- 37 CFR 205: LEGAL PROCESSES (5,089 words)
Sub-agencies
Reading grade and sentence types are approximate. Simple rules label each sentence; the first match wins.