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8443.99.30.00/Facsimile Firmware ROM Chip/Mexico

Facsimile Firmware ROM Chip from Mexico

Read-only memory chip containing proprietary fax operating software and protocols. Falls under HTS 8443.99.3000 per U.S. additional note 3 for semiconductor fax parts. Enables machine boot and fax standards compliance.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Software manifest listing fax protocols (T.30, T.4) critical for classification

• Chip die photos or masks proving custom fax firmware

Facsimile Firmware ROM Chip from Mexico — Import Duty Rate | HTS 8443.99.30.00