Creating multiple topics on the same matter is not the best.
Anyway, that default field does not work, you must create a new Custom Field.
Create a custom field for example ‘HSN’
Notice I added inventory to the Placement list because I have to enter the HSN code for the inventory item and the lines will pick it up for transaction documents. See picture below:
It will automatically populate the HSN code when selected for transactions
The default tax reports do not match your specific tax report format. After implementing this, check if you can use it to create a Custom Report that is similar to your requested report or can help you easily generate it on a spreadsheet.