The Necessity Principle in International Obligations and Contracts in the Light of the Adherence to Contracts Principle in Jurisprudence and Law

Context and The principle of necessity is one of the most important rules and principles in the field of contracts. The question of this article is that how can the principle of necessity in international obligations and contracts be explained in the light of the principle of adherence to contracts in jurisprudence and law? The purpose of the article is to examine the mentioned question. This paper is descriptive and analytical method.Ethical considerations: In this paper, the originality of the texts, honesty and trustworthiness are respected. The principle of necessity is accepted in jurisprudence. The principle of keeping one's promise, the principle of companionship, and the foundation of wisdom are among the jurisprudential foundations of the principle of necessity. In the civil law, from the point of view of the general jurists, Article 190 of the civil law implies the principle of necessity. Determining the status of the contract or its possible effects, doubting the existence of the right of rescission and doubting the duration of the right of rescission are among the most important applications of the principle of necessity in civil law. In international contracts, the principle of necessity means the necessity of implementing and fulfilling assumed obligations. Therefore, this principle is not specific to the necessary contract, and the permissible contract must be implemented until it is terminated, and in a sense, it is mandatory for the subjects.