Having in mind the history of the postal service it may be concluded that a special role has been played by the Postal Law, through which it is possible to follow the development of relations between the state power and the postal service. Since the first legislative norm was issued by Ferdinand I in 1535, the Postal Law in Hungaria, an so as well in Slovakia, could have been characterised as the royal law. Thus the finance gained by the postal service belonged to the royal treasury. Simultaneously the Postal Law documents social and political conditions in respective period, and serves...