This manual, Department of the Army Pamphlet DA PAM 623-3 Evaluation Reporting System September 2019, provides procedural guidance on completing tasks for the Army's Evaluation Reporting System, including officer, noncommissioned officer, and academic evaluation reports focused on the assessment of performance and potential. It includes operating tasks and rules in support of operating tasks. It has been revised to update policy on use of new academic evaluation report forms; incorporate Army Directive 2018-07-8 removing multi-source assessment and feed-back requirements and information on officer evaluation reports; incorporate Army Directive 2018-10; describe the use of the Army's Evaluation Entry System as the primary method for creating, tracking, and submitting DA Form 1059, DA Form 1059-1, and DA Form 1059-2 evaluation reports completed on Servicemembers attending military Service schools and civilian institutions; describe a new DA Form 1059-2 to the Army's form inventory, applicable for specific military training institutions; describe a new rater academic achievement box check system on academic evaluation reports, linking performance with Army leadership attributions and competencies; and describe a new re-viewer overall academic achievement 4-tier box check system for DA Form 1059 and DA Form 1059-2. Final revisions include defining what significant administrative errors are actionable when requesting an administrative appeal. This pamphlet applies to the Regular Army, the Army National Guard/Army National Guard of the United States, and the U.S. Army Reserve, unless otherwise stated. It also applies to Department of the Army Civilians, and to U.S. Armed Forces and U.S. Coast Guard officers, officers of allied armed forces, and employees of the Government who serve as rating officials in the performance of their personnel management responsibilities as established by this regulation and in accordance with applicable Joint, Department of Defense, and civilian personnel management policy. It does not apply to retirees or former Soldiers. The guidance provided in this pamphlet applies during mobilization in conjunction with Personnel Policy Guidance published for each operation and is-sued by Headquarters, Department of the Army.