47 CFR § 0.421 - Application forms.

---
identifier: "/us/cfr/t47/s0.421"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 0.421 - Application forms."
title_number: 47
title_name: "Telecommunication"
section_number: "0.421"
section_name: "Application forms."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "0"
part_name: "COMMISSION ORGANIZATION"
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. 151, 154(i), 154(j), 155, 225, 409, and 1754, unless otherwise noted."
cfr_part: "0"
---


# 0.421 Application forms.

All forms for use in submitting applications for radio authorization, together with instructions and information as to filing such forms, may be obtained at *http://www.fcc.gov/forms*. For information concerning the forms to be used and filing requirements, see part 1 of this chapter and the appropriate substantive rules.

[80 FR 53749, Sept. 8, 2015]