“…These provisions were complemented by two Acts, one of which is the Act on cooperation of the Federation and the Länder regarding European affairs 113 , the other one is the Act on cooperation of the Federal Government and the Bundestag 114 , and by an Agreement between the Federal Government and the Governments of the Länder. 115 The involvement of the Länder is now as follows (Maurer, 2003): -the Länder have to be informed through the Bundesrat by the Federal Government in matters concerning the European Union, -the Bundesrat has to be involved in the decision making process of the Federation in so far as it would have to be involved in a corresponding internal measure or in so far as the Länder would be internally responsible, -in case of federal legislative power, if Länder interests are affected the opinion of the Bundesrat has to be taken into account, -if Länder legislative powers, the establishment of their authorities or their administrative procedures are essentially affected the opinion of the Bundesrat shall revail while, at the same time, the responsibility of the Federation for the country as a whole shall be maintained, -if Länder exclusive legislative powers are essentially affected the exercise of rights of Germany as EU member is transferred by the Federation to a representative of the Länder while, once again, the responsibility of the Federation for the country as a whole shall be maintained. As a response to the growing amount of EC legislation after the entry into force of the SEA, the Länder also opened information or liaison offices in Brussels between 1985 and 1987.…”