The purpose of this research is to investigate the issues in common properties and the competent authority to handle the request, and the research method is descriptive and analytical. With regard to the materials collected in this research, the author came to the conclusion that in the first place, it is necessary to address the issue of which persons the common property is distributed among, because until this issue is determined, the property in question will be distributed. will face serious problems; According to the current regulations in the country, if the property in question is distributed among some people, among whom there are minors, orphans, or missing persons, in this case, the registry office cannot deal with the request for the transfer of this property unless it is possible to transfer the property. There must be an equivalent of one share of common parties with an official document And it is necessary to refer to the court to separate the shares of each of the owners, but the question is, which court should be referred to, which court in this regard, it seems necessary to refer to a public and revolutionary court to submit a petition based on the separation of common property. The immovable property is located in it, and it does not matter where the parties to the lawsuit file the lawsuit from, even if one of the parties wants to claim his rights from abroad, he must refer to the court where the property is located. After the registration of the property, due to the occupation that took place in it, such as when a tree was planted in it or agriculture was carried out, in such cases, considering that the Register of Deeds is not the authority that is allowed to issue permits for building and construction. and it is not possible to expropriate without returning the property to its previous state, in this case the competent authority will be the court, and this decision-making authority, in addition to issuing the order to expropriate the property, will subsequently proceed to issue a decision based on tin and qom building and ashjar. and decides all the arrangements that are needed to return the property to its previous state.