Eastern controls were slowly eased into spot checks and finally abolished on 30 June 1990, the day East and West introduced the union concerning currency, economy and social security (German: Währungs-, Wirtschafts- und Sozialunion).
Eastern controls were slowly altered into spot checks and finally abolished on ngày 30 tháng 6 năm 1990, the day East and West introduced the a union concerning currency, economy and social safety (tiếng Đức: Währungs-, Wirtschafts- und Sozialunion).