Non-violation nullification of benefits (NVNB) claims are a species of dispute settlement in the World Trade Organization arising under World Trade Organization multilateral and bilateral trade agreements.[clarification needed] NVNB claims are controversial in that they are widely perceived to promote the social vices of unpredictability and uncertainty in international trade law.[1] Other commentators have described NVNB claims as potentially inserting corporate competition policy into the World Trade Organization Dispute Settlement Understanding (DSU).[2]