The subject of the study is the tax treatment of capital flows between partnerships and their partners. The theme is discussed by examining the differences and the relationship between company law and tax law. The study focuses on legal acts related to partnership equity capital. Company law regulations regarding partnerships are very flexible, and the tax law related to partnerships is quite limited and tends to remain on a general level. The scrutiny must therefore be founded on legal praxis. The theoretical basis, conception of multidimensionality of justice takes into account not only the norms of tax law, but also practical reality as well as values and goals. It is sensible to base a study on the formation of tax law interpretation ba...