欢迎扫描下方二维码关注： 责编：桑 军 来源 山东税务 欢迎扫描下方二维码关注： 【举例说明】 比如，某制造企业2023年利润为400万元，实际缴纳增值税50万元，允许抵扣的增值进项税 额为30万元。按税法规定需同时缴纳：城市维护建设税50万×7％＝3.5万，教育费附加50万×3％＝1.5万 元，地方教育附加50万×2％＝1万元。在计算企业所得税时，可以扣除的税金为城市维护建设税、地方教 育附加、教育费附加合计6万元， 增值税进项税额 30万元不允许扣除，所以计算企业所得税时应纳税所得 额＝400万－6万＝394万元。 张老板： 明白了！ 让我们看看税法中是怎么解释的。 【政策依据】 1.《中华人民共和国企业所得税法》第八条规定：企业实际发生的与取得收入有关的、合理 的支出，包括成本、费用、税金、损失和其他支出，准予在计算应纳税所得额时扣除。2.《中华人民共和 国企业所得税法实施条例》第三十一条规定：企业所得税法第八条所称税金，是指企业发生的除企业所得 税和允许抵扣的增值税以外的各项税金及其附加。 下一期，带你了解还有哪些合规支出能够进行税前扣除。 相关链接 (11). 涉税名词一起学 | 税前扣除系列（9） ...

Core Viewpoint - The article discusses the process of retroactively claiming tax deductions for previous years' expenses through proper documentation, specifically focusing on the management of tax deduction vouchers as per the regulations set by the State Administration of Taxation [9]. Group 1: Understanding Vouchers - Vouchers are essential for calculating corporate income tax and must prove that reasonable expenses related to income have occurred, allowing for tax deductions [7]. - Vouchers are categorized into internal and external types, with internal vouchers being self-made by the company and external vouchers obtained from other entities or individuals [7]. Group 2: Retroactive Claims - Companies can retroactively claim tax deductions for expenses from previous years if they obtain the necessary vouchers within a five-year period, as stipulated by the State Administration of Taxation [9]. - An example illustrates that if Company A failed to obtain an invoice for a 1 million yuan expense in 2020 but later received a compliant invoice in 2023, it can still claim the deduction for the 2020 tax year [10].