Army Regulations
This regulation on the preparation and management of Army correspondence has been revised. This revision establishes three forms of correspondence authorized for use within the Army: a letter, a memorandum, and a message, in support of the Armey Effective Writing program.
Applicability. This regulation applies to all Army personnel, including personnel of the Army National Guard of the United States and the U.S. Army Reserve, who manage, prepare, and distribute Army correspondence. During full mobilization, requirements of this regulation, except those imposed by Public Law, are exempt.