Official source comparison

FAR Historian

Choose a FAR part and an older edition. We’ll compare it directly with the newest available text and surface what changed.

Modern record: eCFR point-in-time data Coverage begins January 2017

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Select a FAR part to load its amendment history.

Historical edition

FAR part Federal Acquisition Regulation, 48 CFR Chapter 1 As it appeared on Pick the older version you want to examine.

Comparison edition

Newest available FAR Checking latest edition…

The newest amendment date for the selected FAR part stays fixed, so every result answers the same question: what changed between then and now?

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