NASA Procedural Requirements

NPR 1600.3B Effective Date: June 06, 2025 Expiration Date: June 06, 2030

Subject: Personnel Security

Responsible Office: Office of Protective Services

Table of Contents

Preface

P.1 Purpose
P.2 Applicability
P.3 Authority
P.4 Applicable Documents and Forms
P.5 Measurement/Verification
P.6 Cancellation

Chapter 1. Introduction

1.1 Overview
1.2 Scope
1.3 Roles and Responsibilities
1.4 Violations of Security Requirements

Chapter 2. Personnel Security Investigations and Adjudications

2.1 General
2.2 Risk and Sensitivity Levels
2.3 Designation of Risk and Sensitivity Levels for Investigations
2.4 Non-U.S. Citizens
2.5 Childcare Providers
2.6 Investigation Process Requirements
2.7 Trusted Workforce 2.0 and Continuous Vetting
2.8 Reciprocity of Investigations and Adjudications
2.9 Adjudications
2.10 Personnel Security File Storage and Access

Chapter 3. Personnel Security for National Security Positions

3.1 General
3.2 Reciprocity of National Security Investigations and Adjudications
3.3 Adjudication
3.4 Suspension
3.5 Denial or Revocation
3.6 Continuous Evaluation
3.7 Sensitive Compartmented Information (SCI)
3.8 Temporary, Interim or One-Time Access to CNSI

Appendix A. Definitions
Appendix B. Acronyms
Appendix C: References

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