27 CFR § 447.33 - Notification of changes in information furnished by registrants.

---
identifier: "/us/cfr/t27/s447.33"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "27 CFR § 447.33 - Notification of changes in information furnished by registrants."
title_number: 27
title_name: "Alcohol, Tobacco Products and Firearms"
section_number: "447.33"
section_name: "Notification of changes in information furnished by registrants."
chapter_name: "BUREAU OF ALCOHOL, TOBACCO, FIREARMS, AND EXPLOSIVES, DEPARTMENT OF JUSTICE"
subchapter_number: "B"
subchapter_name: "FIREARMS AND AMMUNITION"
part_number: "447"
part_name: "IMPORTATION OF ARMS, AMMUNITION AND IMPLEMENTS OF WAR"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "22 U.S.C. 2778; E.O. 13637, 78 FR 16129 (Mar. 8, 2013)."
regulatory_source: "T.D. ATF-8, 39 FR 3251, Jan. 25, 1974, unless otherwise noted. Redesignated by T.D. ATF-487, 68 FR 3747, Jan. 24, 2003."
cfr_part: "447"
---


# 447.33 Notification of changes in information furnished by registrants.

Registered persons shall notify the appropriate ATF officer in writing, in duplicate, of significant changes in the information set forth in their registration

(Approved by the Office of Management and Budget under control number 1140-0009)

[T.D. ATF-8, 39 FR 3251, Jan. 25, 1974, as amended by T.D. ATF-215, 50 FR 42161, Oct. 18, 1985; ATF-11F, 73 FR 57240, Oct. 2, 2008]