This regulation prescribes policy and assigns responsibility for developing, approving, and using abbreviations, brevity codes, and acronyms in Army written This regulation prescribes policy and assigns responsibility for developing, approving, and using abbreviations, brevity codes, and acronyms in Army written communications. It also establishes a requirement that it be maintained on, or through a link from, an Army approved Internet/World Wide Web site. It also prescribes policies for the uniform application and use of authorized abbreviations, brevity codes, and acronyms in Army publications, records, correspondence, messages, plans, orders, and reports). It also governs the use of abbreviations, brevity codes, and acronyms in correspondence with other branches of Department of Defense and Armies of the United States, United Kingdom, Canada, and Australia. And finally it lists national distinguishing letters reserved for identifying North Atlantic Treaty Organization Armed Forces.