Security Tint #9 Envelopes from Mexico
Double window #9 envelopes with security tint pattern inside to prevent document visibility, made from 24 lb paper, size 3-7/8 x 8-7/8 inches. Classified under HTS 4817.10.00.00 as functional envelopes where tint serves security, not decorative printing. Used for check mailing and confidential correspondence.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document security tint as functional feature, not printing, with manufacturer specs to prevent Chapter 49 misclassification
• Ensure windows use transparent paper or film compliant with postal regulations for automation compatibility
• Batch imports by tint pattern consistency to simplify customs valuation and duty assessment