# Configuration

Once you have successfully installed the extension, go to **Stores -> Configuration** to configure the extension for use. Here you can find option to enable the extension.

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* **Indian GST:** Option to enable or disable the extension.
* **QR Code:** Enable QR Code from here.
* **GSTIN Number:** Add the GSTIN number of your business to include it with order details.
* **PAN Number:** Add the PAN number of your business to show in the invoice PDF.
* **CIN Number:** Add the CIN number of your business to show in the invoice PDF.
* **GST Rate (in Percentage):** Set GST rate in percentage for the store products to apply on orders. This rate will be applicable to all store products.
* **Minimum Product Price to Apply GST Rate:** Set minimum price to apply GST rate on products.
* **GST Rate if Product Price Below Minimum Set Price:** Set GST rate to be applied if the product price is below the minimum set price in the above field.
* **Business Origin:** Select the state from which you are selling. This helps manage SGST, CGST, and IGST.
* **Display Product Prices in Catalog:** Set products including or excluding tax to calculate GST.
* **Show Buyer GSTIN on Frontend:** Select Yes to allow adding buyer GST in the front end Create New Account.
* **Buyer GST Number:** This field is displayed only when the above field is set to Yes. Set the GST Number field to Optional or Required in the front end Create New Account.
* **Invoice PDF Signature:** Upload a digital signature image to show in the invoice PDF.
* **Invoice PDF Signature Text:** Set the signature text to show in the invoice PDF.

**Note :**

Run this command after the extension installation to install the QR code library.

**Command : composer require aferrandini/phpqrcode**