 The Unification Treaty declared that (with few exceptions) at accession the laws of East Germany would be replaced overnight by those of West Germany.The Volkskammer approved the treaty on September 20 by a margin of 299-80—in effect, voting East Germany out of existence.In September, after some negotiations which involved the United States, the Soviet Union, France, and the United Kingdom, conditions for German reunification were agreed on, with the Allies of World War II renouncing their former rights in Germany and agreeing to remove all occupying troops by 1994.