EN
The aim of the article is to discuss limitations of right to public information in Polish system of law. The right to public information is one of the most important human right in modern society. Because of the constitutional requirements every limitation of that sphere must respect two constitutional principles – principle of proportionality and necessity. We may distinguish two types of limitation of right to public information a) directly included in the Act of access to public information e.g. right to privacy, business secret and, recently imposed to the act, exceptionally important economic interest of state, and b) the limitations from other acts. International guarantees of that subjective right are the ground for creating polish system of access to public information. Public information is every information concerning public affairs. It is worth to remember that every public official, who is a subject to the Act of access of public information is obliged to furnish that information.