---
kind: "unit"
title: "45"
title_heading: "Public Welfare"
key: "subtB/chVI"
level: "chapter"
label: "Chapter VI"
heading: "National Science Foundation"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/45/subtB-chVI"
sections_count: 477
---

# Chapter VI — National Science Foundation

Title 45 C.F.R. — Public Welfare › Subtitle B — Regulations Relating to Public Welfare

## Contents

- [Part 600 — Part 600 [reserved]](/cfr/45/subtB-chVI-part600.md)
- [Part 601 — Classification and Declassification of National Security Information](/cfr/45/subtB-chVI-part601.md)
- [Part 604 — New Restrictions on Lobbying](/cfr/45/subtB-chVI-part604.md)
- [Part 605 — Nondiscrimination on the Basis of Handicap in Programs or Activities Receiving Federal Financial Assistance](/cfr/45/subtB-chVI-part605.md)
- [Part 606 — Enforcement of Nondiscrimination on the Basis of Handicap in Programs or Activities Conducted by the National Science Foundation](/cfr/45/subtB-chVI-part606.md)
- [Part 607 — Salary Offset](/cfr/45/subtB-chVI-part607.md)
- [Part 608 — Claims Collection and Administrative Offset](/cfr/45/subtB-chVI-part608.md)
- [Part 611 — Nondiscrimination in Federally-Assisted Programs of the National Science Foundation—effectuation of Title Vi of the Civil Rights Act of 1964](/cfr/45/subtB-chVI-part611.md)
- [Part 612 — Availability of Records and Information](/cfr/45/subtB-chVI-part612.md)
- [Part 613 — Privacy Act Regulations](/cfr/45/subtB-chVI-part613.md)
- [Part 614 — Government in the Sunshine Act Regulations of the National Science Board](/cfr/45/subtB-chVI-part614.md)
- [Part 615 — Testimony and Production of Records](/cfr/45/subtB-chVI-part615.md)
- [Part 617 — Nondiscrimination on the Basis of Age in Programs or Activities Receiving Federal Financial Assistance from Nsf](/cfr/45/subtB-chVI-part617.md)
- [Part 618 — Nondiscrimination on the Basis of Sex in Education Programs or Activities Receiving Federal Financial Assistance](/cfr/45/subtB-chVI-part618.md)
- [Part 620 — Cybercorps® Scholarship for Service (sfs) Program](/cfr/45/subtB-chVI-part620.md)
- [Part 630 — Governmentwide Requirements for Drug-Free Workplace (financial Assistance)](/cfr/45/subtB-chVI-part630.md)
- [Part 640 — Compliance with the National Environmental Policy Act](/cfr/45/subtB-chVI-part640.md)
- [Part 641 — Environmental Assessment Procedures for Proposed National Science Foundation Actions in Antarctica](/cfr/45/subtB-chVI-part641.md)
- [Part 650 — Patents](/cfr/45/subtB-chVI-part650.md)
- [Part 660 — Intergovernmental Review of the National Science Foundation Programs and Activities](/cfr/45/subtB-chVI-part660.md)
- [Part 670 — Conservation of Antarctic Animals and Plants](/cfr/45/subtB-chVI-part670.md)
- [Part 671 — Waste Regulation](/cfr/45/subtB-chVI-part671.md)
- [Part 672 — Enforcement and Hearing Procedures](/cfr/45/subtB-chVI-part672.md)
- [Part 673 — Antarctic Non-Governmental Expeditions](/cfr/45/subtB-chVI-part673.md)
- [Part 674 — Antarctic Meteorites](/cfr/45/subtB-chVI-part674.md)
- [Part 675 — Medical Clearance Process for Deployment to Antarctica](/cfr/45/subtB-chVI-part675.md)
- [Part 680 — National Science Foundation Rules of Practice](/cfr/45/subtB-chVI-part680.md)
- [Part 681 — Program Fraud Civil Remedies Act Regulations](/cfr/45/subtB-chVI-part681.md)
- [Part 689 — Research Misconduct](/cfr/45/subtB-chVI-part689.md)
- [Part 690 — Protection of Human Subjects](/cfr/45/subtB-chVI-part690.md)
- [Part 691-699 — Parts 691-699 [reserved]](/cfr/45/subtB-chVI-part691-699.md)