The relation of denial and doubt with forgery, in civil law proceedings

From the point of view of the civil procedural law, the document is one of the most widely used proofs of the claim that proof of the claim by it is conditional on the realization of authenticity in its nature. In such a way that any legal impediment to the authenticity and authenticity of the document will affect the existence and presentation of the document.
Meanwhile, declaring denial and claiming forgery as one way of responding to the document of expression is relative to the authenticity of the document. Hence, in this paper, first, definitions of the document, denial, doubt and forgery were made to reach the audience with The concept of the document and its conditions are better and more familiar, and finally examine the means of differentiating and sharing the denial and doubt, with the claim of forgery in the civil law proceedings, so that each of the parties will be aware of their rights and  zuties until the first hearing. In the process and in the process, they can better apply their rights and duties.