The 4th Industrial Revolution can be seen as the environment of modern economic, social and cultural progress, in which all current evolutionary processes are based on digital systems. These processes pose challenges for tax systems, such as robotization, digitalization and other technological innovations. The tax system must adapt to the changes caused by the 4th Industrial revolution, use their potential and ensure economic development, stable budget revenues and fair and proportional distribution of taxes. Research problem: what are the possible directions of reforming the tax system in the context of the challenges of the 4th Industrial revolution to ensure sufficient tax revenues? The aim of the study is to identify the problems faced ...