The aim of this final paper is to point out the rules governing the obligations, specifically the obligations with several subjects. Accordingly, at the very beginning, the most important terms related to the general term obligations and classification will be explained. Furthermore is entering into the core of classification of obligations with more subjects. Next, each division of obligations with several subjects is analyzed. These divisions are classified as divisible, indivisible and solidarity obligations. They are detailed in terms of the concept, the creation, the division, the content, the legal consequences, the relationships between the subjects and it will be supported by the legislative framework and example. Also, active and passive institutes will be analyzed in all of the three classifications. In the end it cites the example of case law.