The Basis of Natural Obligation and the Methods of its Entry into the World of Full Legal Obligations

Natural Obligation is an Obligation which its Implementation has Conscious Aspect and ignores the Legal Executive Guarantee. Regarding to the Lack of written Resources in the full Description of the Article 266 in Civil Law, The Institution of Natural Obligation has not found its place in the Iranian Legal Literature and this is the reason for the Lack of Judicial Procedure in This Context. In this Article, with Respect to the Decomposition of the Essence of the full Legal Obligation to the two Elements of "Debt" and "Coercion to Payment", We Consider the Basis of Natural Obligation as "Incomplete Legal Obligation of the denatured Type" in which, the Natural Obligation is the Obligation that Formerly was formed based on a Complete Legal Relationship and then, according to the expediency, the Legislator has deprived it of the Element "Coercion to Payment". Successive to the Identification of Basis of this Legal Institution, We have expressed the different Types of Entering Methods of a Natural Obligation into the World of Full Legal Obligations, Including Contractual, Unilateral, and Involuntary Ways.