TITLE 32 - NATIONAL DEFENSE

SUBTITLE B - OTHER REGULATIONS RELATING TO NATIONAL DEFENSE

CHAPTER XX - INFORMATION SECURITY OVERSIGHT OFFICE, NATIONAL ARCHIVES AND RECORDS ADMINISTRATION

SUBCHAPTER B - MISCELLANEOUS

PART 2001 - CLASSIFIED NATIONAL SECURITY INFORMATION

subpart b - IDENTIFICATION AND MARKINGS

2001.20 - General [1.6].

A uniform security classification system requires that standard markings be applied to classified information. Except in extraordinary circumstances, or as approved by the Director of ISOO, the marking of classified information created after September 22, 2003, shall not deviate from the following prescribed formats. If markings cannot be affixed to specific classified information or materials, the originator shall provide holders or recipients of the information with written instructions for protecting the information. Markings shall be uniformly and conspicuously applied to leave no doubt about the classified status of the information, the level of protection required, and the duration of classification.