This comparative analysis report, the second in a series, is part of ADB's regional research and development project on tax administration that analyzes the administrative frameworks, functions, and performance of 21 economies in Asia and the Pacific. The initial version of this report was published in 2014. The primary objective of the series is to motivate governments and revenue officials by sharing knowledge of important developments and trends in tax administration practice and performance, and to identify opportunities to enhance the operation of their tax systems.