National Science Foundation

NSF

Content Hash: 32f44899fc5f2455f69cd47f524a6c61

MD5 checksum of all regulatory content as of Oct 15, 2025

Regulatory Word Count Over Time

Total words across all chapters managed by this agency

Earliest: 109,700 words (Jan 01, 2017)
Latest: 1,430,965 words (Oct 15, 2025)
Change: +1,321,265 (1204.4%)

CFR Chapters

Title 2, Chapter XXV
CHAPTER XXV - NATIONAL SCIENCE FOUNDATION
Title 45, Chapter VI
CHAPTER VI - NATIONAL SCIENCE FOUNDATION
Title 48, Chapter 25
CHAPTER 25 - NATIONAL SCIENCE FOUNDATION
Title 5, Chapter XLIII
CHAPTER XLIII - NATIONAL SCIENCE FOUNDATION