One of the common principles in the legal system of procedure, whether administrative or judicial (civil or criminal) in the sphere of domestic and international law, is the principle of good faith. Through this principle, hearing becomes somhow ethical. This feature has a special place in administrative proceedings, one of which is a general government. The concept of good faith is indeterminate, complex, and twofold, and in determining good faith, there is also a multiplicity of criterion. In each of the criterion, the judge plays a pivotal role in the evaluation of good faith. The criterions for diagnosis are based on two basic psychological and behavioral standards. Good faith has three important duties, corrective and Supplementation. In legislation, as well as in the case law, can be avoided by deception, fraud, collusion and...of participants in the proceedings, compensating for the vacuum of silence, conflict and ambiguity in the laws, and added to their satisfaction. Without regard to this rule, the procedural defects will increase, and the important function of the procedure, ensuring substantive, will be to endanger.