Shanghai Municipality has established the foreign-invested enterprise complaint center, covering the whole of the city. The complaint center, with its office located in the premises of the Municipal Foreign-invested Enterprises Association and its work preformed mainly by the Shanghai Foreign Investment Commission in combination with 14 specialized departments related to finance and tax, industry and commerce, labor, customs , foreign exchange, etc., deals with various complaints lodged by foreign investors. At the same time, 23 sub-centers have been established in the whole city, basically forming a city-wide network. The municipal and district governments make timely responses to issues made known by the foreign investors on the principle of "He who Examines and Approves is Responsible? The Shanghai Municipal Foreign Economic Relations and Trade Commission (The Shanghai Foreign Investment Commission) directly address knotty problems. Any issue requiring government coordination for a solution and any complaint lodged by an enterprise are solved by contacting and in coordination with the departments concerned, or are solved by contacting the departments concerned of the government of the place where the enterprise is located, as the case may be.