6 USC § 541 - Definitions

---
identifier: "/us/usc/t6/s541"
source: "usc"
legal_status: "official_prima_facie"
title: "6 USC § 541 - Definitions"
title_number: 6
title_name: "DOMESTIC SECURITY"
section_number: "541"
section_name: "Definitions"
chapter_number: 1
chapter_name: "HOMELAND SECURITY ORGANIZATION"
subchapter_number: "XII"
subchapter_name: "TRANSITION"
part_number: "A"
part_name: "Reorganization Plan"
positive_law: false
currency: "119-84"
last_updated: "2026-04-17"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(Pub. L. 107–296, title XV, § 1501, Nov. 25, 2002, 116 Stat. 2307.)"
---


# § 541. Definitions

For purposes of this subchapter:

**(1)** The term “agency” includes any entity, organizational unit, program, or function.

**(2)** The term “transition period” means the 12-month period beginning on the effective date of this chapter.

---

**Source Credit**: (Pub. L. 107–296, title XV, § 1501, Nov. 25, 2002, 116 Stat. 2307.)

## Editorial Notes

### References in Text

The effective date of this chapter, referred to in par. (2), is 60 days after , see , set out as an Effective Date note under .