This Indonesian Taxation Book describes taxation in general in Indonesia so that it can provide an overview for business practitioners, especially business practitioners who are not Indonesian citizens. However, they have a business in Indonesia and can be used as a tax textbook for students. This Indonesian Taxation Book discusses 5 general topics including: 1. Indonesian Tax and Tax Law 2. Classification of Taxes in Indonesia 3. Tax Payable, and Tax Collection in Indonesia 4. General Provisions and Tax Procedures in Indonesia 5. Indonesia's Fiscal and Macroeconomic Policy The five topics constitute basic knowledge for understanding taxation in Indonesia, including understanding the impact of fiscal policy on Indonesia's macroeconomy. Where Indonesia's macroeconomy is an indicator in making business decisions and investment by international business practitioners who want to invest or open a business in Indonesia The author is working hard to develop this book to its full potential for students. However, constructive criticism and suggestions are open to writers for all parties for the sake of perfection in the development of international economics textbooks.