An enterprise should complete national and local tax registration within one month since the day it obtains its business license. Within how long should an enterprise go through formalities for general taxpayer application: An enterprise should complete application procedures for a general taxpayer within one month since the day it obtains the national tax registration certificate. Enterprises need to hire a good bookkeeping company, mainly based on the operation history, business scale, personnel allocation, business reputation of the bookkeeping company and the conversation with the chief accountant of the organization. Through the conversation, you can learn about their understanding of current financial accounting system and tax laws, explanation of potential problems that may occur in your enterprise currently and the ability to solve tax issues if they occur in your enterprise.