Legal review of private property in the interests of the public

In the past, private ownership of land was honorable and sacred, and the principle of domination (Article 30 of the Civil Code) was rarely discounted and limited, but today, in order to protect the interests of the community and protect the weak classes, private property, in particular ownership of land It is limited in many ways, and even the expropriation of the public interest is legal in various countries. This trend has been observed in all countries of the world, including Iran, and reflected in the codified laws. With increasing population and rising public needs, there is a need for the existence of rules for the expropriation of urban construction and housing, and the provision of housing as well as Planning for this affair is felt more.