47 CFR § 5.401 - Applicable rules.

---
identifier: "/us/cfr/t47/s5.401"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 5.401 - Applicable rules."
title_number: 47
title_name: "Telecommunication"
section_number: "5.401"
section_name: "Applicable rules."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "5"
part_name: "EXPERIMENTAL RADIO SERVICE"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. 154, 301, 302, 303, 307, 336."
regulatory_source: "78 FR 25162, Apr. 29, 2013, unless otherwise noted."
cfr_part: "5"
---


# 5.401 Applicable rules.

In addition to the rules in this subpart, medical testing experimental applicants and licensees must follow the rules in subparts B and C of this part. In case of any conflict between the rules set forth in this subpart and the rules set forth in subparts B and C of this part, the rules in this subpart shall govern.