Group 1 - The article provides guidance on troubleshooting issues related to logging into the electronic tax bureau, emphasizing the importance of using updated browser versions for optimal performance [3][4]. - It recommends specific browsers and their minimum versions for accessing the electronic tax bureau, including 360 Browser (version 91 and above), Chrome (version 91 and above), Firefox (version 83 and above), Safari (version 14.1 and above), Edge (version 91 and above), and IE (version 10 and above) [3]. - The article suggests that if problems persist, users can access the electronic tax bureau or its app and utilize the "Interaction between Taxpayers and Tax Authorities" feature for assistance [4]. Group 2 - The source of the information is identified as "Shanxi Taxation Tax Promotion Express," indicating a focus on tax-related services and updates [5]. - A disclaimer is included stating that the platform is unofficial and serves as a learning resource, with all content intended for educational purposes only [7].