Economical and legal analysis of article 1 of the mandatory formal registration of immovable propertie

In an analytical and descriptive method, article 1 of the mandatory formal registration of immovable properties has been discussed from economical and legal point of view. The main object was explanation of Legal acts which must register at electronic registration system of documents and the sanctions of non-registered contracts. economical basics(ex ante) of that article and its rules and effects economic justification (ex past) has been discussed.conclusion is that although The legislator has not clarified the performance guarantee on non-registered contracts and just specified some sanctions such as :rejection of hear the lawsuit about proof and enforcement of the contract, eviction from the property, invalidation of the document, specific performance, criminal compliance, But it seems that an informal contract about immovable properties is invalid and the fact that the only acceptable claim is restitution of considerations means that the contract is invalid. In addition to, analysis of the effects of termination of the first contract on the next contracts show that it's economically justified and is according to the most principles of economic analysis.