عنوان مقاله [English]
A type of model contracts is prevalent in the Iranian legal system, and its validity is directly or indirectly derived from legal text and can be called the model contract with legal origin. This type of contract , which is typically formulated and approved as a model contract, is itself legal regulation or has derived from legislator order or permission. this character gives a special feature to this contract and necessitate separate examining of legal dimensions and effects of it In this article with aim of specifying domain of mentioned contract and its differences and similarities upon similar contracts, is tried to be survey and analyze concept, types and important examples of the model contracts with legal origin and its nature, moreover, the limits of free will of the parties to conclude a model contract based on this form and especially the sanction of violation of terms of the model contract committed by the parties and the effect of violating the regulations on the process of the approval of the text of the model contract. the result of survey proves that the model contract with legal origin , despite its similarities with standard, adhesion and regulated contracts, are different from them in some of dimensions and has special effects and rules.