Skip to main content

NRC Form 313 – Application for Materials License

Form Number:

NRC Form 313

Form Title:

Application for Materials License

Current Edition:

11-25-2025

Authority Directive or Regulation:

10 CFR 30, 32, 33, 34, 35, 36, 37, 39, and 40

Form Status:

Approved by OMB: 3150-0120, Expires: 07/31/2026

Special Instructions:

Application for Distribution of Exempt Products File Applications With:

Materials Safety and Tribal Liaison Branch
Division of Materials Safety, Security, State and Tribal Programs
Office of Nuclear Materials Safety and Safeguards
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001
For Questions: E-mail: LBLicensingAssistant.Resource@nrc.gov

All other Persons File Applications As Follows:

If you are located in:
Alabama, Connecticut, Delaware, District of Columbia, Florida, Georgia, Kentucky, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, Tennessee, Vermont, Virginia, Virgin Islands, or West Virginia:

Licensing Assistance Team
Division of Radiological Safety and Security
U.S. Nuclear Regulatory Commission, Region I
475 Allendale Road, Suite 102
King of Prussia, PA  19406-1415
R1DRSSMail.Resource@nrc.gov
​*Note: The preferred method to submit NRC Form 313 is e-mail. Any other document (e.g., financial assurance documents) should be sent via mail.

If you are located in:
Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio, or Wisconsin:

Materials Licensing Branch
Division of Radiological Safety and Security
U.S. Nuclear Regulatory Commission, Region III
2056 Westings Ave.
Suite 400
Naperville, IL  60563-2657
R3-DRSSMail.Resource@nrc.gov
​*Note: The preferred method to submit NRC Form 313 is e-mail. Any other document (e.g., financial assurance documents) should be sent via mail.

If you are located in:
Alaska, Arizona, Arkansas, California, Colorado, Hawaii, Idaho, Kansas, Louisiana, Mississippi, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, Pacific Trust Territories, South Dakota, Texas, Utah, Washington, or Wyoming.

Materials Licensing Branch
U.S. Nuclear Regulatory Commission, Region IV
1600 E. Lamar Boulevard
Arlington, TX 76011-4511
 R4licensing@nrc.gov
​*Note: The preferred method to submit NRC Form 313 is e-mail. Any other document (e.g., financial assurance documents) should be sent via mail.

PERSONS LOCATED IN AGREEMENT STATES SEND APPLICATIONS TO THE U.S. NUCLEAR REGULATORY COMMISSION ONLY IF THEY WISH TO POSSESS AND USE LICENSED MATERIAL IN STATES SUBJECT TO U.S. NUCLEAR REGULATORY COMMISSION JURISDICATIONS.

Agreement and Non-Agreement States

Page Last Reviewed/Updated Monday, December 08, 2025

Page Last Reviewed/Updated Monday, December 08, 2025