Lee & Ko represented leading domestic companies during a customs audit where the major issues raised by the KSA involved classification errors, transfer price, violations under Foreign Exchange Transactions Act and unsubstantiated production support costs. Lee & Ko was able to formulate successful defense strategies for each of the issues at hand. Specifically, for classification issue, Lee & Ko undertook an in-depth research and analysis and supported its arguments with case law and relevant internal regulations of the Korea Customs Service in order to invalidate the duty assessed. As a result, this case has become a leading precedent within the clients’ industry.