Group 1 - The article discusses the "package service" for taxpayers, which includes confirmation of registration information, financial accounting system and accounting software filing, deposit account reporting, and unit payment registration (social security) [3] - Taxpayers are required to report their deposit account information to the tax authority within 15 days of opening a basic deposit account or any other deposit account, as per the regulations [5] - Even if there is no taxable amount during the tax period, taxpayers must still file a tax declaration according to the regulations [6] Group 2 - The article outlines that the reporting time for tax declarations varies depending on the type of tax, and taxpayers can check their tax obligations and deadlines through the electronic tax bureau [7] - Taxpayers can view their basic information, including registration type, through the electronic tax bureau's "one-stop query" feature [16] - For non-enterprise types, they are not eligible for certain tax exemption policies, but if they meet specific criteria, they may benefit from reduced contributions to the employment security fund for disabled persons [17]