National Science Foundation (NSF)
129,016Words in 45 parts
11.4Restriction density (per 1,000 words)
19.0Reading grade
88.7%Unchanged since 2017
2Flagged parts
2026-08-04Last 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; 26.5% over 40 words; 30.3% passive; 12.7 cross-references per 1,000 words
- Sentence types
- definition 6.6% · prohibition 4.2% · paperwork 6.6% · obligation 18.4% · permission 11.8% · other 52.4%
- Checksum
3faa8935646e384b73f3a26f0f7565a416b70d35448d0740dcefdb1b860832b8
Review candidates in this agency
| Rank | Part | Words | Score |
|---|---|---|---|
| 530 top 10% | 45 CFR 604
NEW RESTRICTIONS ON LOBBYING
High signals: Paperwork share
+1.6 SD |
4,832 | 0.75 |
| 636 top 10% | 45 CFR 611
NONDISCRIMINATION IN FEDERALLY-ASSISTED PROGRAMS OF THE NATIONAL SCIENCE FOUNDATION—EFFECTUATION OF TITLE VI OF THE CIVIL RIGHTS ACT OF 1964
High signals: Directive share
+1.0 SD |
6,637 | 0.70 |
| 1,128 | 45 CFR 671
WASTE REGULATION
High signals: none above 1 SD; ranked by the combined score |
4,541 | 0.52 |
| 1,232 | 45 CFR 606
ENFORCEMENT OF NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES CONDUCTED BY THE NATIONAL SCIENCE FOUNDATION
High signals: Directive share
+1.1 SD |
3,560 | 0.49 |
| 1,427 | 45 CFR 605
NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES RECEIVING FEDERAL FINANCIAL ASSISTANCE
High signals: none above 1 SD; ranked by the combined score |
10,159 | 0.43 |
| 1,507 | 45 CFR 672
ENFORCEMENT AND HEARING PROCEDURES
High signals: Restriction density
+1.5 SD |
8,225 | 0.41 |
| 1,748 | 45 CFR 618
NONDISCRIMINATION ON THE BASIS OF SEX IN EDUCATION PROGRAMS OR ACTIVITIES RECEIVING FEDERAL FINANCIAL ASSISTANCE
High signals: none above 1 SD; ranked by the combined score |
10,116 | 0.34 |
| 2,083 | 45 CFR 601
CLASSIFICATION AND DECLASSIFICATION OF NATIONAL SECURITY INFORMATION
High signals: none above 1 SD; ranked by the combined score |
1,534 | 0.26 |
| 2,115 | 45 CFR 690
PROTECTION OF HUMAN SUBJECTS
High signals: Reading grade
+1.2 SD |
11,276 | 0.25 |
| 2,284 | 45 CFR 641
ENVIRONMENTAL ASSESSMENT PROCEDURES FOR PROPOSED NATIONAL SCIENCE FOUNDATION ACTIONS IN ANTARCTICA
High signals: none above 1 SD; ranked by the combined score |
3,004 | 0.21 |
| 2,726 | 45 CFR 607
SALARY OFFSET
High signals: none above 1 SD; ranked by the combined score |
2,527 | 0.10 |
| 2,788 | 45 CFR 608
CLAIMS COLLECTION AND ADMINISTRATIVE OFFSET
High signals: none above 1 SD; ranked by the combined score |
2,424 | 0.08 |
| 3,028 | 45 CFR 681
PROGRAM FRAUD CIVIL REMEDIES ACT REGULATIONS
High signals: none above 1 SD; ranked by the combined score |
8,103 | 0.03 |
| 3,440 | 45 CFR 674
ANTARCTIC METEORITES
High signals: none above 1 SD; ranked by the combined score |
1,180 | -0.05 |
| 3,543 | 45 CFR 640
COMPLIANCE WITH THE NATIONAL ENVIRONMENTAL POLICY ACT
High signals: none above 1 SD; ranked by the combined score |
2,205 | -0.08 |
| 3,674 | 45 CFR 620
CYBERCORPS® SCHOLARSHIP FOR SERVICE (SFS) PROGRAM
High signals: none above 1 SD; ranked by the combined score |
2,206 | -0.11 |
| 3,765 | 45 CFR 630
GOVERNMENTWIDE REQUIREMENTS FOR DRUG-FREE WORKPLACE (FINANCIAL ASSISTANCE)
High signals: none above 1 SD; ranked by the combined score |
2,849 | -0.13 |
| 3,783 | 45 CFR 615
TESTIMONY AND PRODUCTION OF RECORDS
High signals: none above 1 SD; ranked by the combined score |
1,282 | -0.13 |
| 3,834 | 45 CFR 617
NONDISCRIMINATION ON THE BASIS OF AGE IN PROGRAMS OR ACTIVITIES RECEIVING FEDERAL FINANCIAL ASSISTANCE FROM NSF
High signals: none above 1 SD; ranked by the combined score |
2,515 | -0.14 |
| 3,899 | 45 CFR 614
GOVERNMENT IN THE SUNSHINE ACT REGULATIONS OF THE NATIONAL SCIENCE BOARD
High signals: none above 1 SD; ranked by the combined score |
1,620 | -0.16 |
| 4,172 | 45 CFR 650
PATENTS
High signals: none above 1 SD; ranked by the combined score |
6,841 | -0.22 |
| 4,478 | 45 CFR 612
AVAILABILITY OF RECORDS AND INFORMATION
High signals: none above 1 SD; ranked by the combined score |
8,553 | -0.30 |
| 4,652 | 45 CFR 613
PRIVACY ACT REGULATIONS
High signals: none above 1 SD; ranked by the combined score |
3,062 | -0.35 |
| 4,929 | 45 CFR 680
NATIONAL SCIENCE FOUNDATION RULES OF PRACTICE
High signals: none above 1 SD; ranked by the combined score |
1,561 | -0.43 |
| 5,097 | 5 CFR 5301
SUPPLEMENTAL STANDARDS OF ETHICAL CONDUCT FOR EMPLOYEES OF THE NATIONAL SCIENCE FOUNDATION
High signals: none above 1 SD; ranked by the combined score |
1,988 | -0.48 |
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
- 42 U.S.C. 1870: 31,365 words in 15 parts (24.3% of this agency's text)
- 29 U.S.C. 794: 13,719 words in 2 parts (10.6% of this agency's text)
- 16 U.S.C. 2405: 12,315 words in 2 parts (9.5% of this agency's text)
- 42 U.S.C. 300v: 11,276 words in 1 parts (8.7% of this agency's text)
- 5 U.S.C. 301: 11,276 words in 1 parts (8.7% of this agency's text)
- 20 U.S.C. 1681: 10,116 words in 1 parts (7.8% of this agency's text)
- 16 U.S.C. 2401: 10,006 words in 3 parts (7.8% of this agency's text)
- 5 U.S.C. 552: 8,553 words in 1 parts (6.6% of this agency's text)
- 28 U.S.C. 2461: 8,225 words in 1 parts (6.4% of this agency's text)
- 35 U.S.C. 200: 7,235 words in 2 parts (5.6% of this agency's text)
From the authority notes. A citation is not proof that the statute requires the rule.
Largest parts
- 45 CFR 690: PROTECTION OF HUMAN SUBJECTS (11,276 words)
- 45 CFR 605: NONDISCRIMINATION ON THE BASIS OF HANDICAP IN PROGRAMS OR ACTIVITIES RECEIVING FEDERAL FINANCIAL ASSISTANCE (10,159 words)
- 45 CFR 618: NONDISCRIMINATION ON THE BASIS OF SEX IN EDUCATION PROGRAMS OR ACTIVITIES RECEIVING FEDERAL FINANCIAL ASSISTANCE (10,116 words)
- 45 CFR 612: AVAILABILITY OF RECORDS AND INFORMATION (8,553 words)
- 45 CFR 672: ENFORCEMENT AND HEARING PROCEDURES (8,225 words)
- 45 CFR 681: PROGRAM FRAUD CIVIL REMEDIES ACT REGULATIONS (8,103 words)
- 45 CFR 670: CONSERVATION OF ANTARCTIC ANIMALS AND PLANTS (7,774 words)
- 45 CFR 650: PATENTS (6,841 words)
- 45 CFR 611: NONDISCRIMINATION IN FEDERALLY-ASSISTED PROGRAMS OF THE NATIONAL SCIENCE FOUNDATION—EFFECTUATION OF TITLE VI OF THE CIVIL RIGHTS ACT OF 1964 (6,637 words)
- 45 CFR 604: NEW RESTRICTIONS ON LOBBYING (4,832 words)
Reading grade and sentence types are approximate. Simple rules label each sentence; the first match wins.