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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 32
Chapter I
Part 147
Subpart B - Subpart B—Investigative Standards
§ 147.18 - Introduction.
§ 147.19 - The three standards.
§ 147.20 - Exception to periods of coverage.
§ 147.21 - Expanding investigations.
§ 147.22 - Transferability.
§ 147.23 - Breaks in service.
§ 147.24 - The national agency check.
Appendix - Attachment A to Subpart B of Part 147—Standard A—National Agency Check With Local Agency Checks and Credit Check (NACLC)
Appendix - Attachment B to Subpart B of Part 147—Standard B—Single Scope Background Investigation (SSBI)
Appendix - Attachment C to Subpart B of Part 147—Standard C—Single Scope Background Investigation Periodic Reinvestigation (SSBI-PR)
Appendix - Attachment D to Subpart B of Part 147—Decision Tables
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