Inquiry Regarding Freight Charge Calculation on Sales Invoice

ERPNext India Compliance
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1

Dear Frappe Team,

Case 1
When applying Freight Charge in the “Sales and Tax Charges” section, the tax is calculated based on the item-level GST. However, I need it to always be 18%, regardless of the HSN code.

Case 2
When applying it in the Item Table works, but once the SO, DN, or SI is locked, adding items is not allowed.
What’s the best solution to ensure Freight Charge is always taxed at 18%?

Best regards,

2
  1. Add Delivery Charge: I want to include a delivery charge of ₹500 in the Sales Invoice.
  2. Apply GST on Delivery Charge: The GST should be calculated on the combined total (item total + delivery charge). Specifically, I need to apply 18% GST, which includes 9% CGST and 9% SGST.

In GST and Tax breakup table, i need this caluculation(18% on 500 and 18% on item total)

3

Create a service item as delivery charges