【社会保险】为什么缴费成功后又被退回来了？——个人缴费热点问答来了，内附缴费记录查询指引

Group 1 - The article provides a tax calendar for various tax declarations and payments, including value-added tax, corporate income tax, and personal income tax, with specific deadlines outlined for each type [7][10][11]. - Taxpayers are required to declare and pay taxes such as the urban maintenance and construction tax, education fee surcharges, and environmental protection tax by the 20th of each month [7]. - The article emphasizes the use of the electronic tax bureau for tax declaration and payment processes, highlighting the convenience of online services [11][16]. Group 2 - The article details the annual assessment of stamp duty on taxable business books, which is based on the total amount of paid-in capital and capital reserves recorded in the books [10]. - Taxpayers can complete their stamp duty declaration through the electronic tax bureau, specifically under the section for property and behavior tax source information collection and consolidated declaration [11]. - The article mentions the option for taxpayers to utilize remote assistance through the "Yueyue" service for tax-related inquiries if online functionalities do not meet their needs [16].