Group 1 - The article discusses the process for tax service institutions to register and collect basic information through the electronic tax bureau [3][4]. - It outlines the steps for enterprises to log in and input their information, including the unified social credit code and personal identification details [3]. - The article emphasizes the importance of submitting personnel information for tax service institutions, detailing how to add and submit agent information [4]. Group 2 - The article references the announcement from the National Taxation Administration regarding the collection of basic and business information for tax service institutions [4]. - It provides links to related documents, including the "Credit Code for Tax Service Institutions" and the "Management Measures for Tax Service Institutions (Trial)" [5].