7.25—Identification and markings.
(a)
Classified information must be marked pursuant to the standards set forth in section 1.6 of Executive Order 12958, as amended; 32 CFR part 2001, subpart B; and internal DHS guidance provided by the Chief Security Officer.
(b)
Foreign government information shall retain its original classification markings or be assigned a U.S. classification that provides a degree of protection at least equivalent to that required by the entity that furnished the information.
(c)
Information assigned a level of classification under predecessor Executive Orders shall remain classified at that level of classification, except as otherwise provided herein, i.e., the information is reclassified or declassified.