> For the complete documentation index, see [llms.txt](https://docs.a1erp.digiwin.com/a1stockvideo/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.a1erp.digiwin.com/a1stockvideo/04-zhang-kuan-shou-fu/4.23-fu-kuan-chan-ru-he-zuo-zhe-rang.md).

# 4.23 付款單如何做折讓？

{% hint style="info" %}
**修改付款單沖帳來源單據的「折讓」金額就完成！**
{% endhint %}

{% embed url="<https://youtu.be/l7XaGqwHhkc/>" %}

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#### 講義下載 <https://a1.digiwin.com/file/pdf/QuickAchievement-4.23.pdf>​ <a href="#xia-httpsa-1-digiwincomfilepdfquickachievement-4-15pdf" id="xia-httpsa-1-digiwincomfilepdfquickachievement-4-15pdf"></a>

{% endhint %}