In the realm of private law, it is indeed a matter of examining the "essence of the terms used" in this area. Terms such as "credentials", "intent to create", "origin", "essence" and... are very frequent in this area. "Delegation of power of attorney" is one of the terms that is widely used in the realm of civil law and has become one of the most common legal acts, and in the realm of "registration of documents", it is one of the documents that is welcomed and welcomed by the filing offices. One of the issues raised regarding this widely used term is examining the legal nature of this validity. In fact, considering that power of attorney is a legal act by which a person authorizes another to do something for him and on his behalf, andOn this basis, all actions of the attorney (denial and affirmation) will be known to the client, but in the place of action, it is considered that the will of the parties drafting these documents will be beyond what concerns the philosophy of the establishment of this credit entity and is stated in the text of the law. In such a place, the following questions arise: First: What is the nature of this legal act? Second: Can the parties stipulate contrary to what is related to the principle of establishment and forgery of this credit matter and what the law has pointed out? The authors of the article, using the descriptive and analytical method governing the subject, accepted the theory of "pure agency" and will examine the relevant materials in the necessary paragraphs to prove this hypothesis..