The principle of increasing the trust of a participant in the proceedings to public authority and the openness of proceedings are a principled principle set out in the Code of Administrative Procedure (hereinafter: Kpa) and the Code of Civil Procedure (hereinafter: Kpc). In the light of the established jurisprudence, trust in public authorities, including court proceedings, is aimed at convincing that a person or institution can be trusted and that the information is true, in accordance with the letter of the law, and the person who does it has the appropriate skills to interpret it in order to to use this knowledge correctly and to pass it on in a way that is accessible to every person. Such behavior is intended not only to quickly end the proceedings, but also to show the participant of the proceedings that his rights and rights are respected by public authorities. This goal, on the other hand, can be achieved only by observing many other principles enshrined not only in the Code of Administrative Procedure and the Code of Civil Procedure but also in the Constitution itself. The principle of citizens’ trust in state bodies is considered to be a clamp that binds together all the general rules of conduct. This is the principle that is the broadest in terms of scope, and it is possible to increase citizens’ trust in state bodies by taking all actions necessary to thoroughly explain the actual state of affairs.