47 CFR § 63.51 - Additional information.

---
identifier: "/us/cfr/t47/s63.51"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 63.51 - Additional information."
title_number: 47
title_name: "Telecommunication"
section_number: "63.51"
section_name: "Additional information."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "B"
subchapter_name: "COMMON CARRIER SERVICES"
part_number: "63"
part_name: "EXTENSION OF LINES, NEW LINES, AND DISCONTINUANCE, REDUCTION, OUTAGE AND IMPAIRMENT OF SERVICE BY COMMON CARRIERS; AND GRANTS OF RECOGNIZED PRIVATE OPERATING AGENCY STATUS"
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), 160, 201-205, 214, 218, 403, 571, unless otherwise noted."
regulatory_source: "28 FR 13229, Dec. 5, 1963, unless otherwise noted."
cfr_part: "63"
---


# 63.51 Additional information.

(a) You must provide additional information if the Commission requests you to do so after it initially reviews your application or request.

(b) If you do not respond to the request or other official correspondence, the Commission may dismiss your application without prejudice and you may file again with a completed application.

(c) Any additional information which the Commission may require must be submitted in the same manner as was the original filing. For information on filing requirements, see §§ 1.1000 through 1.10018 of this chapter and the ICFS homepage at *https://www.fcc.gov/icfs,* and § 63.20.

[69 FR 29902, May 26, 2004, as amended at 70 FR 38799, July 6, 2005; 88 FR 21444, Apr. 10, 2023]