10 USC § 9131 - Definition

---
identifier: "/us/usc/t10/s9131"
source: "usc"
legal_status: "official_legal_evidence"
title: "10 USC § 9131 - Definition"
title_number: 10
title_name: "ARMED FORCES"
section_number: "9131"
section_name: "Definition"
chapter_number: 913
chapter_name: "ENLISTMENTS"
part_number: "II"
part_name: "PERSONNEL"
positive_law: true
currency: "119-73"
last_updated: "2026-03-26"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(Aug. 10, 1956, ch. 1041, 70A Stat. 503, § 8251; Pub. L. 100–180, div. A, title XII, § 1231(19)(A), Dec. 4, 1987, 101 Stat. 1161; renumbered § 9131, Pub. L. 115–232, div. A, title VIII, § 806(b)(2), Aug. 13, 2018, 132 Stat. 1832.)"
---


# § 9131. Definition

In this chapter, the term “enlistment” means original enlistment or reenlistment.

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**Source Credit**: (Aug. 10, 1956, ch. 1041, 70A Stat. 503, § 8251; Pub. L. 100–180, div. A, title XII, § 1231(19)(A), Dec. 4, 1987, 101 Stat. 1161; renumbered § 9131, Pub. L. 115–232, div. A, title VIII, § 806(b)(2), Aug. 13, 2018, 132 Stat. 1832.)

| Revised section | Source (U.S. Code) | Source (Statutes at Large) |
| --- | --- | --- |
| 8251 | [No source]. | [No source]. |

The revised section is inserted for clarity.

## Editorial Notes

### Amendments

2018— renumbered  as this section.

1987— inserted “, the term” after “In this chapter”.

## Statutory Notes and Related Subsidiaries

### Effective Date of 2018 Amendment

Amendment by  effective , with provision for the coordination of amendments and special rule for certain redesignations, see , set out as a note preceding .