Grunfeld, Desiderio, Lebowitz, Silverman & Klestadt LLP (GDLSK) is one of the nation's largest law firms devoted exclusively to international trade and customs matters. Customs duties play a significant role in an importer's cost of goods sold. Proper planning can reduce duties, provide certainty, and ensure compliance with applicable laws, thereby maximizing profits and minimizing liabilities. We are often able to identify issues before they arise and resolve problems once identified.