CUI Explorer

Safeguards Information

Pursuant to 42 USC 2011, et seq., and as defined in 10 CFR 73.2, SGI relates to security related information concerning the physical protection of source, byproduct or special nuclear material and the detailed security measures for facilities and information contained within security plans.

Registry statusNARA & DoD
MarkingSGI
Organizational index groupNuclear
Updated2026-05-15

This page exposes extracted CUI registry and authority analysis as crawlable text. The interactive explorer remains the operational workspace for filtering, comparison, and voice-agent aligned study.

Registry comparison

Field NARA Registry DoD Registry
Category description Pursuant to 42 USC 2011, et seq., and as defined in 10 CFR 73.2, SGI relates to security related information concerning the physical protection of source, byproduct or special nuclear material and the detailed security measures for facilities and information contained within security plans. Security related information concerning the physical protection of source, byproduct or special nuclear material and the detailed security measures for facilities and information contained within security plans.
Category marking SGI SGI
Banner marking CUI//SP-SGI No corresponding field
Basic or Specified Specified No corresponding field
Authorities 10 CFR 73 10 CFR 73
DoD applicable policies No corresponding field None listed
Required warning statement No corresponding field None listed
Required dissemination control CUI//SP-SGI None listed
Examples No corresponding field Protective measures, ​Interim compensatory measures, Composite physical security plan for facility/site, Site specific design features of plant security communications systems, Physical security orders and procedures issued by the licensee for members of the security organization detailing duress codes, patrol routes and schedules, or responses to security contingency events, Lock combinations, mechanical key design, or passwords integral to the physical security system, Descriptions of security activities which disclose features of the physical security system or response measures Information relating to onsite or offsite response forces, including size, armament of the response forces, and arrival times of such forces committed to respond to security contingency events, Site specific drawings, diagrams, sketches, or maps that substantially represent the final design features of the physical security system, Alarm system layouts showing the location of intrusion detection devices, alarm assessment equipment, alarm system wiring, emergency power sources for security equipment, and duress alarms
Registry date July 29, 2025 2026-05-15

Authority analysis

Authority title
Registry authority evidence compiled; primary authority text analysis pending
Authorities
10 CFR 73
Source currency
NARA last reviewed: July 29, 2025 | DoD detail accessed: 2026-05-15
How the authority operates
NARA registry status: Specified. Per-authority NARA status values: Specified. NARA banner marking evidence: CUI//SP-SGI. The registry evidence is preserved here; detailed primary-law or regulation text analysis remains pending for this category.

Trigger conditions

  • NARA category scope: Pursuant to 42 USC 2011, et seq., and as defined in 10 CFR 73.2, SGI relates to security related information concerning the physical protection of source, byproduct or special nuclear material and the detailed security measures for facilities and information contained within security plans.
  • DoD category scope: Security related information concerning the physical protection of source, byproduct or special nuclear material and the detailed security measures for facilities and information contained within security plans.

Covered information

  • Protective measures
  • ​Interim compensatory measures
  • Composite physical security plan for facility/site
  • Site specific design features of plant security communications systems
  • Physical security orders and procedures issued by the licensee for members of the security organization detailing duress codes, patrol routes and schedules, or responses to security contingency events
  • Lock combinations, mechanical key design, or passwords integral to the physical security system
  • Descriptions of security activities which disclose features of the physical security system or response measures Information relating to onsite or offsite response forces, including size, armament of the response forces, and arrival times of such forces committed to respond to security contingency events
  • Site specific drawings, diagrams, sketches, or maps that substantially represent the final design features of the physical security system
  • Alarm system layouts showing the location of intrusion detection devices, alarm assessment equipment, alarm system wiring, emergency power sources for security equipment, and duress alarms
  • Registry-described information: Pursuant to 42 USC 2011, et seq., and as defined in 10 CFR 73.2, SGI relates to security related information concerning the physical protection of source, byproduct or special nuclear material and the detailed security measures for facilities and information contained within security plans.
  • DoD-described information: Security related information concerning the physical protection of source, byproduct or special nuclear material and the detailed security measures for facilities and information contained within security plans.

Specified controls

Nara basic or specified
Specified
Nara authority rows
10 CFR 73 | status: Specified | banner: CUI//SP-SGI | sanctions: 10 CFR 73.81
Nara banner markings
CUI//SP-SGI
Nara sanctions
10 CFR 73.81

Safeguarding and dissemination controls

NARA Registry
CUI//SP-SGI
DoD Registry
None listed
Authority analysis
No DoD required dissemination control is listed on the registry page. Apply approved limited dissemination controls only when required or permitted by the designating agency or governing authority.
Basic or Specified
Use the registry assertions, NARA authority rows, DoD authorities, DoD policies, warning statements, required dissemination controls, and examples first. Where the cited authority does not specify a handling detail, apply CUI Basic safeguards and dissemination rules so long as they do not conflict with the authority or agency-specific controls.

Related authorities

Authority-by-authority detail

10 CFR 73

Listed by: NARA Registry, DoD Registry, Related authorities

Designation evidence

  • NARA authority row: 10 CFR 73 | status: Specified | banner: CUI//SP-SGI.
  • NARA sanctions field: 10 CFR 73.81.
  • DoD authority row: 10 CFR 73. DoD lists this citation for the category; this DoD detail page does not display a separate Basic/Specified field.
  • Related authority evidence: 10 CFR 73 | status: Specified | banner: CUI//SP-SGI | sanctions: 10 CFR 73.81
  • Related authority evidence: DoD lists this authority for the category; the linked authority text is extracted below when available.
  • Registry designation context: Specified, CUI//SP-SGI. The linked authority text contains category-scope or applicability language that helps determine when the information falls within this CUI category. The linked authority text contains disclosure, access, protection, release, dissemination, or distribution-control language relevant to handling. The linked authority text contains violation, penalty, sanction, or enforcement language that may affect consequences for mishandling.
  • Registry designation for this category is Specified with banner CUI//SP-SGI.

Extracted authority meaning

  • PART 73—PHYSICAL PROTECTION
  • Registry designation context: Specified, CUI//SP-SGI. The linked authority text contains category-scope or applicability language that helps determine when the information falls within this CUI category. The linked authority text contains disclosure, access, protection, release, dissemination, or distribution-control language relevant to handling. The linked authority text contains violation, penalty, sanction, or enforcement language that may affect consequences for mishandling.

Operating conditions

  • NARA category scope used with this authority: Pursuant to 42 USC 2011, et seq., and as defined in 10 CFR 73.2, SGI relates to security related information concerning the physical protection of source, byproduct or special nuclear material and the detailed security measures for facilities and information contained within security plans.
  • DoD category scope used with this authority: Security related information concerning the physical protection of source, byproduct or special nuclear material and the detailed security measures for facilities and information contained within security plans.
  • 10 CFR 73 | status: Specified | banner: CUI//SP-SGI | sanctions: 10 CFR 73.81
  • DoD lists this authority for the category; the linked authority text is extracted below when available.
  • NARA registry status: Specified. Per-authority NARA status values: Specified. NARA banner marking evidence: CUI//SP-SGI. The registry evidence is preserved here; detailed primary-law or regulation text analysis remains pending for this category.
  • NARA category scope: Pursuant to 42 USC 2011, et seq., and as defined in 10 CFR 73.2, SGI relates to security related information concerning the physical protection of source, byproduct or special nuclear material and the detailed security measures for facilities and information contained within security plans.
  • DoD category scope: Security related information concerning the physical protection of source, byproduct or special nuclear material and the detailed security measures for facilities and information contained within security plans.
  • Extracted authority condition: Fingerprinting, and the identifica- tion and criminal history records checks required by section 149 of the Atomic Energy Act of 1954, as amend- ed, and other elements of background checks are not required for the fol- lowing individuals prior to granting ac- cess to Safeguards Information, includ- ing Safeguards Information designated as Safeguards Information-Modified Handling as defined in 10 CFR 73.2: (a) An employee of the Commission or the Executive Branch of the United States government who has undergone
  • Extracted authority condition: (5) The licensee shall retain all fin- gerprint and criminal history records received from the FBI, or a copy if the individual’s file has been transferred, on an individual (including data indi- cating no record) for one year after ter- mination or denial of unescorted access to the nuclear power facility, the non- power reactor facility, or access to Safeguards Information.
  • Extracted authority condition: (3) The categories of individuals spec- ified in 10 CFR 73.59 are exempt from the criminal history records check and background check requirements in paragraphs (b)(1) and (b)(2) of this sec- tion by virtue of their occupational status: (4) For persons participating in an NRC adjudicatory proceeding, the ‘‘need to know’’ determination shall be made by the originator of the Safe- guards Information designated as Safe- guards Information-Modified Handling upon receipt of a request for access to the Safeguards Information designated as Safeguards Information-Modified Handling.
  • Extracted authority condition: 465 Nuclear Regulatory Commission § 73.2 intent to file an application for licens- ing, certification, permitting, or ap- proval of a product or activity subject to regulation by the Commission are required under § 73.57 to conduct fingerprinting and criminal history records checks before granting access to Safeguards Information.

Safeguarding and dissemination controls

  • NARA registry control evidence: status Specified; banner marking CUI//SP-SGI.
  • Nara basic or specified: Specified
  • Nara authority rows: 10 CFR 73 | status: Specified | banner: CUI//SP-SGI | sanctions: 10 CFR 73.81
  • Nara banner markings: CUI//SP-SGI
  • Nara sanctions: 10 CFR 73.81
  • No DoD required dissemination control is listed on the registry page. Apply approved limited dissemination controls only when required or permitted by the designating agency or governing authority.
  • Use the registry assertions, NARA authority rows, DoD authorities, DoD policies, warning statements, required dissemination controls, and examples first. Where the cited authority does not specify a handling detail, apply CUI Basic safeguards and dissemination rules so long as they do not conflict with the authority or agency-specific controls.
  • Extracted authority control: Knowledge of lock combinations or access to keys protecting Safeguards Information designated as Safeguards Information-Modified Handling must be limited to a minimum number of personnel for operating purposes who have a ‘‘need to know’’ and are other- wise authorized access to Safeguards Information in accordance with the provisions of this Part.
  • Extracted authority control: Safeguards Information means infor- mation not classified as National Secu- rity Information or Restricted Data which specifically identifies a licens- ee’s or applicant’s detailed control and accounting procedures for the physical protection of special nuclear material in quantities determined by the Com- mission through order or regulation to be significant to the public health and safety or the common defense and secu- rity; detailed security measures (in- cluding security plans, procedures, and equipment) for the physical protection of source, byproduct, or special nuclear material in quantities determined by the Commission through order or regu- lation to be significant to the public health and safety or the common de- fense and security; security measures for the physical protection of and loca- tion of certain plant equipment vital to the safety of production or utilization facilities; and any other information within the scope of Section 147 of the Atomic Energy Act of 1954, as amend- ed, the unauthorized disclosure of which, as determined by the Commis- sion through order or regulation, could reasonably be expected to have a sig- nificant adverse effect on the health and safety of the public or the common defense and security by significantly increasing the likelihood of sabotage or theft or diversion of source, byprod- uct,...
  • Extracted authority control: Knowledge of lock combinations protecting Safe- guards Information must be limited to a minimum number of personnel for op- erating purposes who have a ‘‘need to know’’ and are otherwise authorized access to Safeguards Information in ac- cordance with the provisions of this Part.
  • Extracted authority control: (v) The licensee shall develop, main- tain, revise and implement written transportation physical protection pro- cedures which address the following: (A) Access controls to ensure no un- authorized persons have access to the shipment and Safeguards Information; (B) Roles and responsibilities of the movement control center personnel, drivers, armed escorts and other indi- viduals relative to the security of the shipment; (C) Reporting of safeguards events under § 73.71 of this part; (D) Communications protocols that include a strategy for the use of au- thentication and duress codes, the management of refueling or other stops, detours, and the loss of commu- nications, temporarily or otherwise; and (E) Normal conditions operating pro- cedures.
  • Extracted authority control: (1) Licensees shall subject the following individuals to an access authorization program: (i) Any individual to whom a licensee intends to grant unescorted access to spent nuclear fuel in transit, including employees of a contractor or vendor; (ii) Any individual whose duties and responsibilities permit the individual to take actions by physical or elec- tronic means that could adversely im- pact the safety, security, or emergency response to spent nuclear fuel in tran- sit (i.e., movement control personnel, vehicle drivers, or other individuals ac- companying spent nuclear fuel ship- ments); (iii) Any individual whose duties and responsibilities include implementing a licensee’s physical protection program under § 73.37, including but not limited to, non-LLEA armed escorts; (iv) Any individual whose assigned duties and responsibilities provide ac- cess to spent nuclear fuel shipment in- formation that is considered to be Safeguards Information under § 73.22(a)(2); and (v) The licensee access authorization program reviewing official.
  • Extracted authority control: The first page of the document or other matter must also contain: (i) The name, title, and organization of the individual authorized to make a Safeguards Information determination, and who has determined that the docu- ment or other matter contains Safe- guards Information; (ii) The date the determination was made; and (iii) An indication that unauthorized disclosure will be subject to civil and criminal sanctions.
  • Extracted authority control: The first page of the document or other matter must also contain: (i) The name, title, and organization of the individual authorized to make a ‘‘Safeguards Information designated as Safeguards Information-Modified Han- dling’’ determination, and who has de- termined that the document or other matter contains Safeguards Informa- tion designated as Safeguards Informa- tion-Modified Handling; (ii) The date the determination was made; and (iii) An indication that unauthorized disclosure will be subject to civil and criminal sanctions.

Authority excerpts

Most relevant extracted authority passage

Knowledge of lock combinations or access to keys protecting Safeguards Information designated as Safeguards Information-Modified Handling must be limited to a minimum number of personnel for operating purposes who have a ‘‘need to know’’ and are other- wise authorized access to Safeguards Information in accordance with the provisions of this Part.

Extracted authority passage 2

Safeguards Information means infor- mation not classified as National Secu- rity Information or Restricted Data which specifically identifies a licens- ee’s or applicant’s detailed control and accounting procedures for the physical protection of special nuclear material in quantities determined by the Com- mission through order or regulation to be significant to the public health and safety or the common defense and secu- rity; detailed security measures (in- cluding security plans, procedures, and equipment) for the physical protection of source, byproduct, or special nuclear material in quantities determined by the Commission through order or regu- lation to be significant to the public health and safety or the common de- fense and security; security measures for the physical protection of and loca- tion of certain plant equipment vital to the safety of production or utilization facilities; and any other information within the scope of Section 147 of the Atomic Energy Act of 1954, as amend- ed, the unauthorized disclosure of which, as determined by the Commis- sion through order or regulation, could reasonably be expected to have a sig- nificant adverse effect on the health and safety of the public or the common defense and security by significantly increasing the likelihood of sabotage or theft or diversion of source, byprod- uct,...

Extracted authority passage 3

Knowledge of lock combinations protecting Safe- guards Information must be limited to a minimum number of personnel for op- erating purposes who have a ‘‘need to know’’ and are otherwise authorized access to Safeguards Information in ac- cordance with the provisions of this Part.

Extracted authority passage 4

(v) The licensee shall develop, main- tain, revise and implement written transportation physical protection pro- cedures which address the following: (A) Access controls to ensure no un- authorized persons have access to the shipment and Safeguards Information; (B) Roles and responsibilities of the movement control center personnel, drivers, armed escorts and other indi- viduals relative to the security of the shipment; (C) Reporting of safeguards events under § 73.71 of this part; (D) Communications protocols that include a strategy for the use of au- thentication and duress codes, the management of refueling or other stops, detours, and the loss of commu- nications, temporarily or otherwise; and (E) Normal conditions operating pro- cedures.

Extracted authority passage 5

(1) Licensees shall subject the following individuals to an access authorization program: (i) Any individual to whom a licensee intends to grant unescorted access to spent nuclear fuel in transit, including employees of a contractor or vendor; (ii) Any individual whose duties and responsibilities permit the individual to take actions by physical or elec- tronic means that could adversely im- pact the safety, security, or emergency response to spent nuclear fuel in tran- sit (i.e., movement control personnel, vehicle drivers, or other individuals ac- companying spent nuclear fuel ship- ments); (iii) Any individual whose duties and responsibilities include implementing a licensee’s physical protection program under § 73.37, including but not limited to, non-LLEA armed escorts; (iv) Any individual whose assigned duties and responsibilities provide ac- cess to spent nuclear fuel shipment in- formation that is considered to be Safeguards Information under § 73.22(a)(2); and (v) The licensee access authorization program reviewing official.

Extracted authority passage 6

Fingerprinting, and the identifica- tion and criminal history records checks required by section 149 of the Atomic Energy Act of 1954, as amend- ed, and other elements of background checks are not required for the fol- lowing individuals prior to granting ac- cess to Safeguards Information, includ- ing Safeguards Information designated as Safeguards Information-Modified Handling as defined in 10 CFR 73.2: (a) An employee of the Commission or the Executive Branch of the United States government who has undergone