DA PAM 25-1-1, Army Information Technology Implementation Instructions, is a major revision with the changes being listed in the summary of change section. This pamphlet provides the procedures for acquiring and managing information technology support and services and applies to information technology developed for or purchased by the Department of the Army. It establishes procedures for the administration of information resources and the supporting technology requirements. This pamphlet supports AR 25-1, in implementing Public Law 104-106 (The Clinger-Cohen Act, formerly Division E, Technology Management Reform Act) and Title 10, United States Code, Section 2223. Chief Information Officer functions and those corresponding information management and/or information technology official and management processes are delineated throughout this pamphlet. These management processes involve strategic planning, business process analysis and improvement control, and information technology performance measurements. This pamphlet applies to active Army, the Army National Guard, Army National Guard of the United States, and the Army Reserve, unless otherwise stated. It also applies to the information technology at all Army installations, activities, and communities.