# 10 U.S.C. § 509: Voluntary extension of enlistments: periods and benefits

> Federal · Statutes · In force

URL: https://www.frixlaw.com/law-library/statutes/usc_t10_s509

## Section

- **Citation:** 10 U.S.C. § 509
- **Heading:** Voluntary extension of enlistments: periods and benefits
- **Jurisdiction:** Federal
- **Kind:** Statutes
- **Status:** In force
- **Text as of:** April 17, 2026
- **Source:** Publisher's official text
- **Location:** Title 10—ARMED FORCES > Subtitle A—General Military Law > PART II—PERSONNEL > CHAPTER 31—ENLISTMENTS

## Text

Under such regulations as the Secretary concerned may prescribe, the term of enlistment of a member of an armed force may be extended or reextended with his written consent for any period. However, the total of all such extensions of an enlistment may not exceed four years.

(Added Pub. L. 90–235, § 2(a)(1)(B) , Jan. 2, 1968 , 81 Stat. 755 .)

## Nearby sections

- [10 U.S.C. § 501 Definition](https://www.frixlaw.com/law-library/statutes/usc_t10_s501.md)
- [10 U.S.C. § 502 Enlistment oath: who may administer](https://www.frixlaw.com/law-library/statutes/usc_t10_s502.md)
- [10 U.S.C. § 503 Enlistments: recruiting campaigns; compilation of directory information](https://www.frixlaw.com/law-library/statutes/usc_t10_s503.md)
- [10 U.S.C. § 504 Persons not qualified](https://www.frixlaw.com/law-library/statutes/usc_t10_s504.md)
- [10 U.S.C. § 505 Regular components: qualifications, term, grade](https://www.frixlaw.com/law-library/statutes/usc_t10_s505.md)
- [10 U.S.C. § 507 Extension of enlistment for members needing medical care or hospitalization](https://www.frixlaw.com/law-library/statutes/usc_t10_s507.md)
- [10 U.S.C. § 509 Voluntary extension of enlistments: periods and benefits](https://www.frixlaw.com/law-library/statutes/usc_t10_s509.md)
- [10 U.S.C. § 512 Renumbered § 12104]](https://www.frixlaw.com/law-library/statutes/usc_t10_s512.md)
- [10 U.S.C. § 515 Reenlistment after discharge as warrant officer](https://www.frixlaw.com/law-library/statutes/usc_t10_s515.md)
- [10 U.S.C. § 517 Authorized enlisted end strength: members in pay grades E–8 and E–9](https://www.frixlaw.com/law-library/statutes/usc_t10_s517.md)
- [10 U.S.C. § 518 Temporary enlistments](https://www.frixlaw.com/law-library/statutes/usc_t10_s518.md)
- [10 U.S.C. § 520a Repealed. Pub. L. 106–398, § 1 [[div. A] , title X, § 1076(g)(1)], Oct. 30, 2000 , 114 Stat. 1654 , 1654A–282]](https://www.frixlaw.com/law-library/statutes/usc_t10_s520a.md)
- [10 U.S.C. § 521 Authority to prescribe total strengths of officers on active duty and officer strengths in various categories](https://www.frixlaw.com/law-library/statutes/usc_t10_s521.md)
- [10 U.S.C. § 522 Repealed. Pub. L. 108–375, div. A, title V, § 501(b)(1) , Oct. 28, 2004 , 118 Stat. 1873 ]](https://www.frixlaw.com/law-library/statutes/usc_t10_s522.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/usc_t10_s509. Check the current official text before relying on it. Not legal advice.