Security Tint #9 Envelopes from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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