ADD/CVD – Complying with Anti-Dumping Duty and Countervailing Duty Requirements: What You Need to Know and Why ADD/CVD Complying with Anti-Dumping Duty and Countervailing Duty Requirements: What You Need to Know and Why - December 2014 by Meredith Covey, Director, Customs Operations and Compliance at Williams-Sonoma, Inc. (San Francisco, CA)