---
kind: "unit"
title: "45"
title_heading: "Public Welfare"
key: "subtB/chVI/part680"
level: "part"
label: "Part 680"
heading: "National Science Foundation Rules of Practice"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/45/subtB-chVI-part680"
sections_count: 4
---

# Part 680 — National Science Foundation Rules of Practice

Title 45 C.F.R. — Public Welfare › Subtitle B — Regulations Relating to Public Welfare › Chapter VI — National Science Foundation

## Contents

- [Subpart A — Rules of Practice for the National Science Foundation](/cfr/45/subtB-chVI-part680-subpartA.md)
- [Subpart B — Subpart B [Reserved]](/cfr/45/subtB-chVI-part680-subpartB.md)