The chapter is organized as follows. Section 2 examines the definition and conceptual issues surrounding non-tariff barriers. Section 3 summarizes the initiatives included in the AEC Blueprint and in the recent ASEAN Trade in Goods Agreement (ATIGA) to address NTBs in the region and assesses the progress of their implementation. Section 4 presents the data sources and methodology used in the chapter. Section 5 examines NTBs affecting ASEAN economic integration. Section 6 examines more closely the feasibility of 2015 as the target year for the realization of the AEC, identifies policy challenges and makes recommendations to address NTBs. Section 7 presents the summary and conclusions.