Participation of the attorney in the appeal proceedings can be associated with the need to appeal the ruling of the economic court of the first instance/appearance or making justified statements of defense to the appeal adopted for consideration. Prior to this, the attorney can participate in the proceedings in the court of the first instance or to be admitted to the proceedings after the decision is passed. The attorney can evaluate the chances of annulment of the decision of the court of the first instance after scrutinizing the materials of the case and the decision, passed by the court of the first instance. When applying to the attorney so that the attorney drafts the appeal or statement of defense it is crucial to take into consideration deadlines for filing the appeal and the necessity to pay the state fee on the appeal. The deadline for filing an appeal to the economic court of Belarus is 15 working days from the date of the passing of the decision by the economic court of the first Instance.