AR 600-8-4 — index record
| Number | AR 600-8-4 |
|---|---|
| Title | LINE OF DUTY POLICY, PROCEDURES, AND INVESTIGATIONS |
| Published | November 12, 2020 |
| Latest change | Change 004, July 22, 2026 |
| Office of primary responsibility | G-1 |
| Issued by | Headquarters, Department of the Army |
| Status on the index | Active |
| Unit of issue | PDF P |
| Source index | Army Publishing Directorate |
| Index last read | October 20, 2026 |
Copied from Army Publishing Directorate (index). The publication itself is the authority; this page does not summarize or interpret it. Verify the current edition on the index before acting.
From the publication itself
Text below is lifted mechanically from the official PDF (53 pages, read October 20, 2026) with no editing or interpretation. Quote the document, not this page.
Purpose, in the publication’s words
This regulation prescribes policies and procedures for investigating the circumstances of injury, illness, disease, or death of a Soldier. It provides standards and considerations used in making line of duty (LOD) determinations.
Summary of changes, as printed
Line of Duty Policy, Procedures, and Investigations This administrative revision, dated 22 July 2026–– o Removes AR 600 – 110 (Identification, Surveillance, and Administration of Personnel Infected with Human Immunodeficiency Virus) (app A). This administrative revision, dated 11 July 2025— o Replaces stigmatizing language (paras 4–12a and 4–12b). This administrative revision, dated 26 October 2023— o Replaces stigmatizing language (throughout). This administrative revision, dated 23 July 2021— o Adds clarification on how to fill out block 36 of the DA Form 2173 and block 10g on the DD Form 261 (para 2 –5). o Changes where unit commanders sign on DA Form 2173 to block 40 (para 3 –1). o Changes and adds clarification to military medical officers’ roles and responsibilities in completing DA Form 2173 by completing block 16 (para 5– 6). o Changes where units with no direct medical support transcribe International Statistical Classification of Diseases, tenth revision, codes to block 13 on DA Form 2713 (para 5–7c). o Changes where the commander will request a formal or informal investigation by selecting the appropriate box on DA Form 2173, SECTION II, block 37 (paras 5–8b and 5–8c). This expedited revision, dated 12 November 2020— o Changes functional authority from the Commanding General, U.S. Army Human Resources Command to The Adjutant General (paras 1–7d, 4–17a(1– 3), and 5–17c and d).
Contents
- Chapter 1 Introductionp. 1
- Section I Informationp. 1
- Section II Responsibilitiesp. 1
- Chapter 2 Program Elementsp. 6
- Chapter 3 The Line of Duty Investigation Processp. 9
- Section I Informal Line of Duty Investigationsp. 9
- Section II Formal Line of Duty Investigationsp. 11
- Chapter 4 Special Considerations and Other Matters Affecting Line of Duty Investigationsp. 13
Other AR publications nearby in the series
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- AR 600-8-3POSTAL OPERATIONS2026-01-16
- AR 600-8-6PERSONNEL ACCOUNTABILITY2026-05-12
- AR 600-8-22MILITARY AWARDS2026-05-11
- AR 600-8-24OFFICER TRANSFERS AND DISCHARGES2026-05-05
- AR 600-8-29OFFICER PROMOTIONS2020-09-09
- AR 600-85THE ARMY SUBSTANCE ABUSE PROGRAM2024-10-04
- AR 600-86ARMY DISASTER PERSONNEL ACCOUNTABILITY AND ASSESSMENT PROGRAM2024-09-16
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