Title CFR, Section 2.1

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Title 31: Money and Finance: Treasury
PART 2—NATIONAL SECURITY INFORMATION
Subpart A—Original Classification
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§ 2.1 Classification levels [1.1(a)]. 1
1

Related references are related to sections of Executive Order 12356, 47 FR 14874, April 6,
1982.

(a) National security information (hereinafter also referred to as “classified information”) shall be
classified at one of the following three levels:
(1) Top Secret shall be applied to information, the unauthorized disclosure of which reasonably could be
expected to cause exceptionally grave damage to the national security.
(2) Secret shall be applied to information, the unauthorized disclosure of which reasonably could be
expected to cause serious damage to the national security.
(3) Confidential shall be applied to information, the unauthorized disclosure of which reasonably could
be expected to cause damage to the national security.
(b) Limitations [1.1(b)]. Markings other than “Top Secret,” “Secret,” and “Confidential,” shall not be used
to identify national security information. No other terms or phrases are to be used in conjunction with
these markings to identify national security information, such as “Secret/Sensitive” or “Agency
Confidential”. The terms “Top Secret,” “Secret,” and “Confidential” are not to be used to identify nonclassified Executive Branch information. The administrative control legend, “Limited Official Use”, is
authorized in Treasury Directive 71–02, “Safeguarding Officially Limited Information,” which requires that
information so marked is to be handled, safeguarded and stored in a manner equivalent to national
security information classified Confidential.
(c) Reasonable Doubt [1.1(c)]. When there is reasonable doubt about the need to classify information,
the information shall be safeguarded as if it were “Confidential” information in accordance with subpart D
of this regulation, pending a determination about its classification. Upon a final determination of a need
for classification, the information that is classified shall be marked as provided in §2.7. When there is
reasonable doubt about the appropriate classification level, the information shall be safeguarded at the
higher level in accordance with subpart D, pending a determination of its classification level. Upon a final
determination of its classification level, the information shall be marked as provided in §2.7.
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