山西：预约缴款时，提示“您选择的待预约税费信息中包含不同缴款期限，不能同时选择预约缴款，请分别选择”，怎么处理？

Group 1 - The article discusses the electronic tax bureau's appointment payment feature, highlighting that taxpayers must select tax items with the same payment deadline for appointment payments [2] - It provides guidance on how to navigate the electronic tax bureau for tax declaration and payment processes [2][3] - The article emphasizes the importance of understanding the rules governing tax payment appointments to avoid errors [2] Group 2 - The article mentions the availability of tax services for enterprises engaging in international business, referred to as "going out" tax services [3] - It outlines the requirements for tax deductions related to expenses incurred when invoices cannot be replaced or exchanged due to specific circumstances [19] - The article lists necessary documentation for proving the authenticity of expenses when invoices cannot be obtained, including contracts and payment vouchers [19]