The category of discursive dialogicality is considered, represented in a literary text that exists on the border of two social discourses – literature and law. The semantic domain of the interdiscourse, as a heterogeneous linguosociocultural space in which two different discourses interact, is open, mobile and dialogically conditioned. The aim of the paper is to reconstruct the cooperative model of dialogical interaction of the stated discourses, i.e.