45 working days. According to the inquiry data, it takes 45 working days for Shaanxi e-tax migration. The tax bureau is the government agency in charge of tax work, and undertakes the duties of tax and non-tax revenue collection and management within its jurisdiction. On March 20 18, according to the "plan for deepening the reform of the party and state institutions" issued by the Central Committee, the national tax and local tax collection and management system was reformed. After the merger of national tax and local tax agencies, State Taxation Administration of The People's Republic of China will be implemented.