To enabe E-invoice generation option after sale invoice, you can follow these steps :
Step 1: Go to the Administration menu and then click on Configuration.
Step 2: Select Features/Options and Click on GST/VAT, then enable the E-invoice requirement and specify the from place and pincode.
Step 3: Log in to the E-invoce portal, then click on API registration.
Step 4: Click on Create API user and select GSP IDs Webtel Electrosoft Pvt Ltd and Pinnacle Finserv Advisors Private Limited.
Step 5: Click on GSP configuration and specify the GSP IDs and their passwords that you have created on the E-invoice portal, then validate them successfully.
Step 6: Go to Configuration, then click on Voucher Series Configuration.
Step 7: Select a series, click on Voucher Configuration, and enable the generation of E-invoice after saving and enable Input Transport Details.
Step 8: Now , E-invoice system is enable in your software and you will able to see e-invoice generation option after saving sale invoice.