The right to terminate a partial annulment of a contract in Imami jurisprudence, the Iranian legal system and common law

Annulment has its own characteristics, coordinates and principles that are fundamentally different from other cases of termination of the contract, such as termination, etc. This annulment may occur only in a part of the contract and lead to its partial annulment. . In order to protect the rights of victims from minor invalidity, different solutions have been proposed in different legal systems. The right to terminate the right part of the contract is one of the solutions that is accepted in the jurisprudential and legal system of Iran and is referred to as the "option of discrimination". Is to examine the acceptance of such a right for the victim of a minor invalidity of the contract and its conformity or non-conformity with justice and fairness and legal principles.

In this research, analytical and descriptive methods have been used.

The right of termination is not only not contrary to the "principle of necessity of contracts" but also in accordance with the important jurisprudential rule of "no harm" and also in accordance with justice and fairness. Of course, the absoluteness of this right can be contrary to the above rules, and it is necessary to imagine restrictions such as "desirable unity" and "desirable plurality" for it. The option of segregation discrimination is not provided for in Iranian law, but it can be reconciled with some cases of termination right provided for in British law.