E-government: refers to the use of modern information technology by government agencies to implement a large number of frequent administrative management and daily affairs on the Internet through government websites in accordance with set procedures, thereby breaking the constraints of time, space and some violations, and comprehensively for the Citizens provide efficient and open government services. Based on the definition above, which of the following is options that are not e-government? ['Electronic document circulation between subordinate governments.', 'Business-to-business transfer payment through internet banking.', 'Enterprises complete tax registration and tax payment through the government tax network.', 'Establish an electronic transportation website to manage and serve drivers.']