Tier 1 official source
eCFR.gov
The electronic Code of Federal Regulations, updated continuously as a working regulatory reference.
Source metadata
- Domain
- ecfr.gov
- Owner
- National Archives and Records Administration
- Level
- federal
- Category
- Regulation and rulemaking
- Last checked
- 2026-10-24
What you can do there
Read current federal regulations
Search sections and parts
Trace regulatory authority
Find definitions and applicability language
Questions this answers
Related questions
What is eCFR.gov?
Where can I read current federal rules?
What regulation controls this process?
Sources
- National Archives and Records Administration · checked 2026-10-24