Regulation tracker
FAR & DFARS changes, clause by clause
Every Federal Acquisition Circular and DFARS publication, diffed at the section level against the previous edition — the exact text that changed and when it takes effect. Sourced directly from GSA's official acquisition.gov repositories, the same files that publish the regulation itself.
DFARS
DFARS Publication 2026-05-07
effective May 7, 20266 sections changed+27−4PART_223 · PGI_PART_244 · SUBPART_223.5 · PGI_201.106 · 223.501 · 223.501-70
FAR
FAC 2026-01
effective Mar 13, 202656 sections changed+254−555Foreword_a · Foreword_b · LSATable · 2.101 · 3.801 · 3.907-1
FAR
FAC 2025-06
effective Oct 1, 2025157 sections changed+2927−10900FAR-definitions4map · Foreword_a · Foreword_b · LSATable · Part_50 · Part_52
DFARS
DFARS Publication 2025-11-10
effective Nov 10, 202513 sections changed+152−95PART_204 · PART_252 · PGI_244.2 · PGI_244.3 · 204.7500 · 204.7501
DFARS
DFARS Publication 2025-08-25
effective Aug 25, 202580 sections changed+350−295PART_209 · PART_227 · PART_237 · PART_252 · PGI_PART_201 · PGI_PART_209
FAR
FAC 2025-05
7 sections changed+33−42Foreword_a · Foreword_b · LSATable · 32.907 · 43.101 · 52.204-7
FAR
FAC 2025-04
effective Jun 11, 202515 sections changed+87−492Foreword_a · Foreword_b · LSATable · Part_52 · 1.401 · 17.703
DFARS
DFARS Publication 2025-01-17
effective Jan 17, 202591 sections changed+1148−1593PART_227 · PART_234 · PART_252 · PGI_PART_204 · PGI_PART_205 · PGI_PART_227
FAR
FAC 2025-03
effective Jan 17, 2025110 sections changed+6141−4910FAR-definitions4map · FARmatrix · Foreword_a · Foreword_b · LSATable · Part_19
FAR
FAC 2025-02
effective Jan 3, 202574 sections changed+356−382FARmatrix · Foreword_a · Foreword_b · LSATable · Part_17 · Part_40
DFARS
DFARS Publication 2024-12-18
effective Dec 18, 202411 sections changed+37−47PART_216 · PGI_PART_204 · PGI_253.215-70 · PGI_209.406-3 · PGI_204.601 · PGI_204.602
DFARS
DFARS Publication 2024-11-25
effective Nov 25, 202434 sections changed+154−96PART_212 · PART_252 · PART_270 · PGI_PART_236 · PGI_PART_253 · PGI_PART_270
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