---
kind: "unit"
title: "6"
title_heading: "Domestic Security"
key: "ch1/schIV/ptD"
level: "part"
label: "Part D"
heading: "Immigration Enforcement Functions"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/6/ch1-schIV-ptD"
sections_count: 8
---

# Part D — Immigration Enforcement Functions

Title 6 — Domestic Security › Chapter 1 — Homeland Security Organization › Subchapter IV — Border, Maritime, and Transportation Security

## Sections

- [§251. Transfer of functions](/usc/6/251.md)
- [§252. U.S. Immigration and Customs Enforcement](/usc/6/252.md)
- [§253. Professional responsibility and quality review](/usc/6/253.md)
- [§254. Employee discipline](/usc/6/254.md)
- [§255. Report on improving enforcement functions](/usc/6/255.md)
- [§256. Sense of Congress regarding construction of fencing near San Diego, California](/usc/6/256.md)
- [§257. Report](/usc/6/257.md)
- [§258. Homeland Security Investigations Victim Assistance Program](/usc/6/258.md)