But in addition to this item, in fact, there are many types of businesses in our lives are required to apply for a drainage permit, according to the "urban sewage discharged into the drainage network permits and management methods," Article 2, the "Shanghai Municipal Drainage Management Measures" regulations, due to engage in manufacturing, construction, Electricity and gas production, scientific research, health, accommodation and catering, entertainment business, motor vehicle cleaning and other activities to the public **** drainage facilities discharge of sewage units and individual operators to the town drainage facilities discharge of sewage, should be to the town drainage department to apply for a sewage discharge into the drainage network license.