Legal acts inserted on Polish Air Navigation Services Agency website are not the source of law. The source of law of The Republic of Poland is legal acts announced in Official Journal of the European Union and legal acts announced according to July 20, 2000 Act (Dz. U. nr 62, poz. 718 z późn. zm.). Polish Air Navigation Services Agency is not responsible for effects of decisions made on the basis of the content of legal acts published on PANSA's website.