This publication concerns problem of mutual relations between tax law and special institutions of Fiscal Penal Code, with the emphasis on the analysis of their consistency and practical aspects. Major directions of analysis concerns compensation aspects of Penal Code and fiscal efficiency of Fiscal Penal Code. This publications concerns also analysis the problem of issuing an obligation to pay tax as part of conviction. One of conclusions is the idea of rethinking necessity of further existing such of special branch of penal law as Fiscal Penal Code.