---
type: "LegalText"
title: "40 U.S.C. § 18101"
description: "Definitions"
jurisdiction: "us"
corpus: "united_states_code"
kind: "code_section"
title_number: 40
title_name: "PUBLIC BUILDINGS, PROPERTY, AND WORKS"
chapter_number: "181"
chapter_name: "TELECOMMUNICATIONS ACCESSIBILITY FOR HEARING-IMPAIRED AND SPEECH-IMPAIRED INDIVIDUALS"
section: "18101"
citation: "40 U.S.C. § 18101"
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_usc40@119-100.zip"
source_identifier: "/us/usc/t40/s18101"
source_file: "data/legal/raw/us/code/title-40/usc40.xml"
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text_hash: "64a8c909387e133ae7aa941d5116bb78496a0f296d44a5ab9b9c0ea4d8c51886"
retrieved_at: "2026-07-04"
confidence: "official"
tags: ["legal", "us-code"]
---

# 40 U.S.C. § 18101 - Definitions

## Text

In this chapter—

(1) Federal agency.— The term “federal agency” has the same meaning given that term in section 102 of this title.

(2) TTY.— The term “TTY” means a text-telephone used in the transmission of coded signals through the nationwide telecommunications system.

(Pub. L. 107–217, Aug. 21, 2002, 116 Stat. 1290.)

## Notes

Historical and Revision Notes RevisedSectionSource (U.S. Code)Source (Statutes at Large) 1810140:762.Pub. L. 100–542, § 2, Oct. 28, 1988, 102 Stat. 2721.