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Free Federal & 27 CFR Compliance Tool

TTB COLA Label & Warning
Compliance OCR Scanner

TTB label approvals (COLAs) are rejected over minor wording or punctuation errors in the mandatory Government Warning. Test your label draft in real time against 27 CFR Part 16, minimum font heights, and mandatory statements before commercial bottling.

27 CFR Part 16 Mandatory Warning

Federal law requires exact statutory language starting with GOVERNMENT WARNING: in bold capital letters with exact punctuation.

Statutory Font Height Rules

Labels on containers $>14\%$ ABV must print the Government Warning with a minimum height of 2.0 mm (8.5 pt), while $\le 14\%$ ABV requires at least 1.0 mm (6.0 pt).

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Bottle Label Text / OCR Transcript

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Cooper's Label Review Advice
AI Copilot
"Government warnings require 100% exact punctuation! Even a missing colon after 'GOVERNMENT WARNING' will cause TTB COLA rejections or carrier delays. CaskStack automates these compliance checks across all your label files and marketing campaigns."