Enter the golden tax phase III system. According to Zhihu's inquiry, entering the third phase of gold circulation can be understood as entering the third phase of gold tax system, which is a tax management system. In this system, the circulation link includes handling posts, handling links and handling matters, and both preferential acceptance posts and preferential management posts are responsible for approving tax reduction and exemption. Taxpayers enter or review relevant information according to the information submitted by taxpayers, and then save it and push it to the next handling link.