27 CFR § 19.644 - Changes after original qualification.

---
identifier: "/us/cfr/t27/s19.644"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "27 CFR § 19.644 - Changes after original qualification."
title_number: 27
title_name: "Alcohol, Tobacco Products and Firearms"
section_number: "19.644"
section_name: "Changes after original qualification."
chapter_name: "ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY"
subchapter_number: "A"
subchapter_name: "ALCOHOL"
part_number: "19"
part_name: "DISTILLED SPIRITS PLANTS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "19 U.S.C. 81c, 1311; 26 U.S.C. 5001, 5002, 5004-5006, 5008, 5010, 5041, 5061, 5062, 5066, 5081, 5101, 5111-5114, 5121-5124, 5142, 5143, 5146, 5148, 5171-5173, 5175, 5176, 5178-5181, 5201-5204, 5206, 5207, 5211-5215, 5221-5223, 5231, 5232, 5235, 5236, 5241-5243, 5271, 5273, 5301, 5311-5313, 5362, 5370, 5373, 5501-5505, 5551-5555, 5559, 5561, 5562, 5601, 5612, 5682, 6001, 6065, 6109, 6302, 6311, 6676, 6806, 7011, 7510, 7805; 31 U.S.C. 9301, 9303, 9304, 9306."
regulatory_source: "T.D. TTB-92, 76 FR 9090, Feb. 16, 2011, unless otherwise noted."
cfr_part: "19"
---


# 19.644 Changes after original qualification.

If there is any change in the information that was provided in an approved application, the proprietor of the vinegar plant must immediately notify the appropriate TTB officer in writing of the change. The notice must identify the change and the effective date of the change.

(26 U.S.C. 5502)