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eCFR amendment history

Dated list of amendments to a CFR part or section: section, amendment and issue dates, whether the change was substantive and whether the section was removed. Needs title and part.

Inputs

2 required
Title
CFR title number, e.g. 16Required · title
Part
CFR part, e.g. '312'Required · part
Section
Section number, e.g. '312.5'Optional · section
Issued after
Only changes issued on or after this date, e.g. '2020-01-01'Optional · issued_after
Issued before
Only changes issued on or before this date, e.g. '2025-12-31'Optional · issued_before

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License
Public domain (U.S. Government work)
Attribution
Data from eCFR.gov (Office of the Federal Register, National Archives)

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