About seven days. The bureau needs to last for about 7 days. The operation and maintenance of the tax bureau report refers to the error caused by the tax collection and management system to taxpayers, which needs to be reported to the provincial national tax department to handle this error through the background. Operation and maintenance literally means operation and maintenance. Operation and maintenance is essentially the operation and maintenance of networks, servers and services at all stages of the life cycle, which is in an acceptable state in terms of cost, stability and efficiency.