A Study of the Concept and Special Rulings of "Composite and Comprehensive Contracts" in Iranian Jurisprudence and Law with a Comparative Perspective

In the present work, we have tried to find out the result of the combination or aggregation of contracts; therefore, by descriptive and analytical methods in jurisprudence, Iranian law, French law, and UNCITRAL legal guide on international mutual trade transactions, we conducted a comparative study and concluded that, connecting different contracts with each other in the form of contract sets, can lead to “merged contracts" or "comprehensive contracts". The terms, conditions and effects of merged contracts are subject to the mutual will of the contracts and the general rules of them, unless it is a specific contract. However, in comprehensive contracts, individual contracts retain their independence, so the disruption in the implementation or validity of one of the subcontracts has no effect on other contracts subject to the comprehensive contract, except by the will of the parties and the determination of the law. We face a shortcoming in the jurisprudence and law of Iran and France regarding the issue, so it is necessary to consider the future changes in the civil code of Iran and France.