Where does Ningbo social security base adjust?

Tax department. According to official website of Ningbo Human Resources and Social Security Bureau, Ningbo Electronic Taxation Bureau, Ningbo Tax APP, Li Zhe Office, Tax Service Office and other channels applied to the tax authorities to declare the social insurance premium payment base. Therefore, the adjustment of Ningbo social security base is operated by the tax authorities. Ningbo, referred to as Ningbo for short, is a sub-provincial city with separate plans; Ningbo is the economic center of the south wing of the Yangtze River Delta, a national historical and cultural city and a world-famous port city.