This ground-breaking book brings clarity to the dynamically developing field of international tax law. It empowers individuals and corporate taxpayers to navigate their way around and helps tax authorities take taxpayers’ rights into account from the beginning. The book is the result of several years of research conducted with the support of the International Law Association. Taxpayers in International Law puts taxpayers' rights on the global international tax agenda as the necessary counterweight and complement to Base Erosion and Profit Shifting (BEPS). Importantly, it pleads for a global minimum standard of legal protection of the fundamental rights of taxpayers and extracts the content of such rights from relevant constitutional principles of many countries around the world. The book is structured in 3 parts: Part I focusses on the legal sources and on the relations between taxation and international human rights law. Part II identifies general principles and specific taxpayers’