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# India GST Shopify - How to add GST on Shopify India

If your company is based in India and is registered for GSTIN, all invoices that you create should include your GSTIN (Goods and Services Tax Identification Number).

To set the GSTIN of your company:

1. In your PDF Invoice - Order Printer account, go to the **Preferences** → **Store Details** page.
2. Type in your GSTIN number in the **Registration Number** field.
3. Click Save