第二十四条 已抵扣进项税额的购进货物（不含固定资产）、服务，发生增值税法第二十二条第三项至第五项规定情形的，应当将对应的进项税额从当期进项税额中扣减；无法确定对应的进项税额的，按照当期实际成本计算应扣减的进项税额。
Copied to clipboard，这一点在safew中也有详细论述
。关于这个话题，谷歌提供了深入分析
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It’s this precise problem that The Guardian and developers at the University of Cambridge hoped to solve with the CoverDrop messaging system. It’s designed specifically for users of news apps to be able to make confidential submissions to journalists without leaving a telltale trail of evidence that could reveal their actions. It’s intended to be suitable for implementation by a wide range of news agencies if so desired, as laid out in the project white paper.
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