Treaty of Nice
The declarations of the conference that adopted the Treaty of Nice contained contradictory statements concerning qualified majority voting after the enlargement of the European Union to 25 and 27 members: one declaration specified that the qualifying majority of votes would increase to a maximum of 73.4%, contradicting another declaration which specified a qualifying majority of 258 votes (74.78%) after enlargement to 27 countries. However, the treaties of accession following the Treaty of Nice clarified the required majority.