National Institute of Standards and Technology (NIST)
70,877Words in 24 parts
8.7Restriction density (per 1,000 words)
18.4Reading grade
63.3%Unchanged since 2017
1Flagged parts
2026-08-21Last 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
- 29.7 words on average; 22.1% over 40 words; 33.4% passive; 12.3 cross-references per 1,000 words
- Sentence types
- definition 3.9% · prohibition 2.2% · paperwork 4.8% · obligation 13.2% · permission 14.4% · other 61.4%
- Checksum
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Review candidates in this agency
| Rank | Part | Words | Score |
|---|---|---|---|
| 122 top 10% | 15 CFR 240
BARRELS AND OTHER CONTAINERS FOR LIME
High signals: Restriction density
+3.5 SD · Directive share
+2.7 SD |
1,826 | 1.09 |
| 1,854 | 37 CFR 404
LICENSING OF GOVERNMENT-OWNED INVENTIONS
High signals: Reading grade
+2.2 SD · Paperwork share
+1.1 SD |
2,944 | 0.31 |
| 1,868 | 15 CFR 241
BARRELS FOR FRUITS, VEGETABLES AND OTHER DRY COMMODITIES, AND FOR CRANBERRIES
High signals: Reading grade
+1.2 SD |
2,396 | 0.31 |
| 2,322 | 37 CFR 501
UNIFORM PATENT POLICY FOR RIGHTS IN INVENTIONS MADE BY GOVERNMENT EMPLOYEES
High signals: Reading grade
+1.5 SD · Directive share
+1.0 SD |
2,672 | 0.20 |
| 2,360 | 37 CFR 401
RIGHTS TO INVENTIONS MADE BY NONPROFIT ORGANIZATIONS AND SMALL BUSINESS FIRMS UNDER GOVERNMENT GRANTS, CONTRACTS, AND COOPERATIVE AGREEMENTS
High signals: Reading grade
+1.2 SD |
11,646 | 0.19 |
| 2,459 | 15 CFR 280
FASTENER QUALITY
High signals: none above 1 SD; ranked by the combined score |
9,866 | 0.16 |
| 3,517 | 15 CFR 265
REGULATIONS GOVERNING TRAFFIC AND CONDUCT ON THE GROUNDS OF THE NATIONAL INSTITUTE OF STANDARDS & TECHNOLOGY, GAITHERSBURG, MARYLAND, AND BOULDER AND FORT COLLINS, COLORADO
High signals: Restriction density
+1.2 SD · Directive share
+1.0 SD |
1,679 | -0.07 |
| 4,066 | 15 CFR 273
METRIC CONVERSION POLICY FOR FEDERAL AGENCIES
High signals: none above 1 SD; ranked by the combined score |
1,074 | -0.19 |
| 4,501 | 15 CFR 231
CLAWBACKS OF CHIPS FUNDING
High signals: Reading grade
+1.0 SD |
5,465 | -0.31 |
| 4,976 | 15 CFR 270
NATIONAL CONSTRUCTION SAFETY TEAMS
High signals: none above 1 SD; ranked by the combined score |
6,687 | -0.44 |
| 5,153 | 15 CFR 291
MANUFACTURING EXTENSION PARTNERSHIP; ENVIRONMENTAL PROJECTS
High signals: none above 1 SD; ranked by the combined score |
4,984 | -0.50 |
| 5,312 | 15 CFR 290
REGIONAL CENTERS FOR THE TRANSFER OF MANUFACTURING TECHNOLOGY
High signals: none above 1 SD; ranked by the combined score |
2,896 | -0.54 |
| 5,333 | 15 CFR 285
NATIONAL VOLUNTARY LABORATORY ACCREDITATION PROGRAM
High signals: none above 1 SD; ranked by the combined score |
2,609 | -0.55 |
| 5,388 | 15 CFR 292
MANUFACTURING EXTENSION PARTNERSHIP; INFRASTRUCTURE DEVELOPMENT PROJECTS
High signals: none above 1 SD; ranked by the combined score |
4,300 | -0.56 |
| 5,812 | 15 CFR 200
POLICIES, SERVICES, PROCEDURES, AND FEES
High signals: none above 1 SD; ranked by the combined score |
5,668 | -0.73 |
| 6,086 | 15 CFR 286
NATIONAL VOLUNTARY CONFORMITY ASSESSMENT SYSTEM EVALUATION (NVCASE) PROGRAM
High signals: none above 1 SD; ranked by the combined score |
1,604 | -0.88 |
| 6,327 | 15 CFR 287
GUIDANCE ON FEDERAL CONFORMITY ASSESSMENT
High signals: none above 1 SD; ranked by the combined score |
1,464 | -1.13 |
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 17. A flag is not a finding.
Statutes behind the most text
- 35 U.S.C. 206: 11,646 words in 1 parts (16.4% of this agency's text)
- 15 U.S.C. 272: 9,977 words in 4 parts (14.1% of this agency's text)
- 15 U.S.C. 5401: 9,866 words in 1 parts (13.9% of this agency's text)
- 15 U.S.C. 277: 7,987 words in 3 parts (11.3% of this agency's text)
- 15 U.S.C. 7301: 6,687 words in 1 parts (9.4% of this agency's text)
- 15 U.S.C. 275a: 6,308 words in 2 parts (8.9% of this agency's text)
- 15 U.S.C. 4651: 5,465 words in 1 parts (7.7% of this agency's text)
- 35 U.S.C. 207: 2,944 words in 1 parts (4.2% of this agency's text)
- 15 U.S.C. 278k: 2,896 words in 1 parts (4.1% of this agency's text)
- 15 U.S.C. 236: 2,396 words in 1 parts (3.4% of this agency's text)
From the authority notes. A citation is not proof that the statute requires the rule.
Largest parts
- 37 CFR 401: RIGHTS TO INVENTIONS MADE BY NONPROFIT ORGANIZATIONS AND SMALL BUSINESS FIRMS UNDER GOVERNMENT GRANTS, CONTRACTS, AND COOPERATIVE AGREEMENTS (11,646 words)
- 15 CFR 280: FASTENER QUALITY (9,866 words)
- 15 CFR 270: NATIONAL CONSTRUCTION SAFETY TEAMS (6,687 words)
- 15 CFR 200: POLICIES, SERVICES, PROCEDURES, AND FEES (5,668 words)
- 15 CFR 231: CLAWBACKS OF CHIPS FUNDING (5,465 words)
- 15 CFR 291: MANUFACTURING EXTENSION PARTNERSHIP; ENVIRONMENTAL PROJECTS (4,984 words)
- 15 CFR 292: MANUFACTURING EXTENSION PARTNERSHIP; INFRASTRUCTURE DEVELOPMENT PROJECTS (4,300 words)
- 37 CFR 404: LICENSING OF GOVERNMENT-OWNED INVENTIONS (2,944 words)
- 15 CFR 290: REGIONAL CENTERS FOR THE TRANSFER OF MANUFACTURING TECHNOLOGY (2,896 words)
- 37 CFR 501: UNIFORM PATENT POLICY FOR RIGHTS IN INVENTIONS MADE BY GOVERNMENT EMPLOYEES (2,672 words)
Reading grade and sentence types are approximate. Simple rules label each sentence; the first match wins.