> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://staging.chrisp.chat/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Why is my GST/HSN not showing up in my invoice?

Follow these steps to debug this issue

1. First, make sure you have indeed set GST and HSN values for the products in the order.
2. If it's all good then check your [Preferences](https://gst.appsfinal.com/settings) → Tax Details → Taxing options
1. **Tax only "Taxable" Products**: Means the app only taxes the products with “Charge tax on this product” checkbox checked. You can find this in the product/variant price section in shopify
2. **Tax ALL Products**: This option will make sure all products are taxed