Corning Incorporated requires full compliance with U.S Customs law. Whenever Corning is the U.S. Importer of Record, Corning enlists the assistance of its foreign suppliers to ensure full compliance.

Country of Origin Marking
Corning requires every foreign supplier to comply with U.S. Customs marking requirements for U.S.-bound articles.
General Requirements for Country of Origin Markings 

Customs Brokers
U.S. Customs holds the Importer of Record responsible that imported articles are correctly classified. Corning provides its approved Customs Brokers with a list of our products and their approved HTSUS (Harmonized Tariff Schedule of the U.S.) classifications.

Be sure to identify one of these brokers as the "Notify Party" on the Commercial Invoice whenever Corning is the Importer of Record. To view , click here:
Point-of-Contact Details for the Approved Customs Brokers 

 Commercial Relationships