At the end of July the Council of Ministers of EU approved new legislation which for almost three years of preparations became common as eIDAS. The regulation on electronic identification and trustworthy services for electronic transactions in the internal market and on the abolition of directive 1999/93/EC which is the whole official name of eIDAS was a few days ago published in the Official Reports and so we can have a look at which essential changes it brings and how it will affect the electronic services and the Internet in the Czech Republic.