scope:

This regulation-

a. Authorizes standardized abbreviations, brevity codes, and acronyms (ABCAs) to be used throughout the Department of the Army.

b. Prescribes procedures for the use of abbreviations, brevity codes, and acronyms within the Department of the Army.

c. Governs the use of abbreviations, brevity codes, and acronyms in correspondence with other branches of Department of Defense (DOD) and Armies of the United States, United Kingdom, Canada, and Australia.

d. Lists national distinguishing letters reserved for identifying North Atlantic Treaty Organization (NATO) Armed Forces.

Applicability. This regulation applies to the Active Army, the Army National Guard of the United States (ARNGUS)/Army National Guard (ARNG), and the United States Army Reserve unless otherwise stated. During full mobilization, requirements of this regulation are exempt.