47 CFR § 51.401 - State authority.

---
identifier: "/us/cfr/t47/s51.401"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 51.401 - State authority."
title_number: 47
title_name: "Telecommunication"
section_number: "51.401"
section_name: "State authority."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "B"
subchapter_name: "COMMON CARRIER SERVICES"
part_number: "51"
part_name: "INTERCONNECTION"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. 151-55, 201-05, 207-09, 218, 225-27, 251-52, 271, 332 unless otherwise noted."
regulatory_source: "61 FR 45619, Aug. 29, 1996, unless otherwise noted."
cfr_part: "51"
---


# 51.401 State authority.

A state commission shall determine whether a telephone company is entitled, pursuant to section 251(f) of the Act, to exemption from, or suspension or modification of, the requirements of section 251 of the Act. Such determinations shall be made on a case-by-case basis.