Ownership, as a basic value of a legal state is the subject to special protection guaranteed by a basic law. However, in certain situations acting for the benefit of public interest is, according to a legislator, takes priority over private ownership. Thus, in cases when public interest is at stake limitation of ownership title to property can be permitted by regulations. Expropriation of private property for the sake of public good is the solution used for many years in Poland and in other countries. Basic preconditions for expropriation are described in art. 21 section 2 of The Constitution of the Republic of Poland. Private ownership in art. 21 of Polish Constitution was defined in a very general context without defining the subject...