The Czech president Vaclav Klaus has demanded an opt-out for the Czech Republic from the Charter of fundamental rights of the European Union, similar to that obtained earlier by Britain and Poland, in order to sign the Treaty of Lisbon.
This would require either a re-ratification of the Treaty of Lisbon, or a declaration by the European Council.
European Union Law 
Vaclav Klaus wants his State to be exempt from the Charter of Fundamental Rights that is part of the “Lisbon” amendment to the EU’s basic law. More serious than his exploiting of the leverage he has in representing the only State that has not ratified the amendment, he is imposing his erroneous ideological view of the EU. According to Deutsche Welle, “A staunch euroskeptic, he opposes the treaty as a matter of principle, believing it yields too much sovereignty to the international bloc.” This, in short, is what is really going on here. (see: http://soozah.wordpress.com/2009/10/10/not-exactly-santa-klaus/)
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