---
type: "LegalText"
title: "46 U.S.C. § 103"
description: "Boundary Line"
jurisdiction: "us"
corpus: "united_states_code"
kind: "code_section"
title_number: 46
title_name: "SHIPPING"
chapter_number: "1"
chapter_name: "DEFINITIONS"
section: "103"
citation: "46 U.S.C. § 103"
status: "current"
release_point: "119-100"
release_date: "2026-06-26"
source: "official"
source_url: "https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc46@119-100.zip"
source_identifier: "/us/usc/t46/s103"
source_file: "data/legal/raw/us/code/title-46/usc46.xml"
source_hash: "76bc6a027c2945a844e4b78346ae2f5303a2a8d91ffbc13c21b02a96c25f410f"
raw_snapshot_hash: "eb1331aa3c08ed87231a3606d86b30d1b5942cdf8542f6a3df8ac1d66e86057f"
text_hash: "7c97c02fac757345f478c396cb6803cae8d50275092ac3d15dbba413e0b79ca5"
retrieved_at: "2026-07-04"
confidence: "official"
tags: ["legal", "us-code"]
---

# 46 U.S.C. § 103 - Boundary Line

## Text

In this title, the term “Boundary Line” means a line established under section 2(b) of the Act of February 19, 1895 (33 U.S.C. 151(b)).

(Pub. L. 109–304, § 4, Oct. 6, 2006, 120 Stat. 1486; Pub. L. 114–120, title III, § 306(a)(1), Feb. 8, 2016, 130 Stat. 54.)

## Notes

Historical and Revision Notes RevisedSectionSource (U.S. Code)Source (Statutes at Large) 10346:2101(3).

Editorial Notes

Amendments2016—Pub. L. 114–120 substituted “(33 U.S.C. 151(b)).” for “(33 U.S.C. 151).”