> For the complete documentation index, see [llms.txt](https://help.bizanalyst.in/biz-analyst-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.bizanalyst.in/biz-analyst-manual/support/android/poonam-1.md).

# Mismatch in Invoice Tax Calculation

![Check the Tax Rates in both PDF's](/files/-M3WSgZruCRNJglDnYff)

{% tabs %}
{% tab title="Scenario 1" %}
When Tax Rates are added in Both Stock Items and  Stock Group, then First Preference will be given to Stock Group and Followed by Stock Item.
{% endtab %}

{% tab title="Scenario 2" %}
When Tax rates are given only at one place either in Stock Items or in Stock Query , then the app will calculate the Tax accord
{% endtab %}
{% endtabs %}

###

### Checklist :-

1. First Check the tax rate in Stock Item

![](/files/-M3RKGyUzuHMacwMvXU7)

2\.  Later Check the tax rate in Stock Group

![](/files/-M3VWbmp8p2UbC5Kce-7)

As you can see now that now , the tax rate in Biz App i.e 14% is taken from Stock Group. So now you can educate the customer that Tax rates is taken Stock Group.