The study analyzes the new institution of datio in solutum of the immovable properties in order to settle the obligations through loans, in terms of its legal nature, seeking to know whether it can be placed into a pattern already known from the theory of civil obligations or if it exceeds these patterns. Datio in solutum of Law. 77/2016 is compared with the datio in solutum of the Civil Code, with the objective novation by cha...