Us Code § 623 - Configuration of multi-line telephone systems for direct dialing of 9–1–1.

Full text of Us Code United States Code § 623 — Configuration of multi-line telephone systems for direct dialing of 9–1–1., with citation guidance and answers to common questions.

§ 623. Configuration of multi-line telephone systems for direct dialing of 9–1–1.

(a) System manufacture, importation, sale, and lease

A person engaged in the business of manufacturing, importing, selling, or leasing multi-line telephone systems may not manufacture or import for use in the United States, or sell or lease or offer to sell or lease in the United States, a multi-line telephone system, unless such system is pre-configured such that, when properly installed in accordance with subsection (b), a user may directly initiate a call to 9–1–1 from any station equipped with dialing facilities, without dialing any additional digit, code, prefix, or post-fix, including any trunk-access code such as the digit "9", regardless of whether the user is required to dial such a digit, code, prefix, or post-fix for other calls.

(b) System installation, management, and operation

A person engaged in the business of installing, managing, or operating multi-line telephone systems may not install, manage, or operate for use in the United States such a system, unless such system is configured such that a user may directly initiate a call to 9–1–1 from any station equipped with dialing facilities, without dialing any additional digit, code, prefix, or post-fix, including any trunk-access code such as the digit "9", regardless of whether the user is required to dial such a digit, code, prefix, or post-fix for other calls.

(c) On-site notification

A person engaged in the business of installing, managing, or operating multi-line telephone systems shall, in installing, managing, or operating such a system for use in the United States, configure the system to provide a notification to a central location at the facility where the system is installed or to another person or organization regardless of location, if the system is able to be configured to provide the notification without an improvement to the hardware or software of the system.

(d) Effect on State law

Nothing in this section is intended to alter the authority of State commissions or other State or local agencies with jurisdiction over emergency communications, if the exercise of such authority is not inconsistent with this chapter.

(e) Enforcement

This section shall be enforced under subchapter V, except that section 501 of this title applies only to the extent that such section provides for the punishment of a fine.

(f) Multi-line telephone system defined

In this section, the term "multi-line telephone system" has the meaning given such term in section 1471 of this title.

(June 19, 1934, ch. 652, title VII, §721, as added Pub. L. 115–127, §2(a), Feb. 16, 2018, 132 Stat. 326.)


Editorial Notes

References in Text

This chapter, referred to in subsec. (d), was in the original "this Act", meaning act June 19, 1934, ch. 652, 48 Stat. 1064, known as the Communications Act of 1934, which is classified principally to this chapter. For complete classification of this Act to the Code, see section 609 of this title and Tables.


Statutory Notes and Related Subsidiaries

Effective Date

Pub. L. 115–127, §2(b), Feb. 16, 2018, 132 Stat. 327, provided that: "The amendment made by subsection (a) [enacting this section] shall apply with respect to a multi-line telephone system that is manufactured, imported, offered for first sale or lease, first sold or leased, or installed after the date that is 2 years after the date of the enactment of this Act [Feb. 16, 2018]."

About This Section

47 U.S.C. § 623 is part of Title 47 of the United States Code. The United States Code is the official codification of federal statutes maintained by the Office of the Law Revision Counsel of the U.S. House of Representatives. Congress amends the Code through new public laws, which are eventually incorporated into the relevant title.

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Sources

Source: official Us Code text · Last verified 2026-08-27

Frequently Asked Questions About Us Code § 623

What does United States Code § 623 cover?

Section 623 ("Configuration of multi-line telephone systems for direct dialing of 9–1–1.") is part of the United States Code, the codified statutory law of Us Code. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.

How do I cite Us Code § 623?

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Is this the official text of Us Code law?

No. This page is for research and education and may not include the most recent amendments. For official current law, check the Us Code official source linked on this page or consult a licensed Us Code attorney.

How does Us Code § 623 apply to my situation?

Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Us Code can advise on how this section applies to you. Contact your state or local bar association for a referral.

Sources & Verification

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