On 26 September 2007, National Assembly Chairman Georgi Pirinski received a delegation of the Federal Constitutional Court of Germany, led by its President Hans-Jürgen Papier.

Bulgarian-German relations and the necessity of deepening them after Bulgaria's accession to the European Union, the cooperation between Parliament and the Bulgarian Constitutional Court, the particular stages of the constitutional reform in Bulgaria and the effective implementation of the Constitution were among the subjects under discussion during the meeting.