# Set up Business Unit ## Guide to Setup Business Unit ### Step 1: Enter GSTIN Display would populate State name for GSTIN automatically. Then, click on "Connect with the E-invoice portal" ![](https://1228935104-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MZESjKfghy4dwB5DEJ1%2F-M_4hhAe71aAYKH3MvzU%2F-M_4pR9mtHvKNaLMn26C%2Fimage.png?alt=media\&token=f605b0c8-8eff-4325-8f75-0f2a316c00fb) ### Step 2: Enter [NIC portal](https://einvoice1.gst.gov.in/) credentials You can use same credentials as used for E-Way Bill generation if already. Enter Captcha shown. If you have already generated API username password , click on Enter API username/Password in right section ![](https://1228935104-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MZESjKfghy4dwB5DEJ1%2F-M_4hhAe71aAYKH3MvzU%2F-M_4pvxRFjDZOMSY8cvK%2Fimage.png?alt=media\&token=147c586d-a719-4db6-8167-0ae90e0cedac) ### Step 3: Enter OTP Enter OTP for new GSP registration of Defmacro ### Step 4: Enter API username and Password Enter the username password you want to set and click on Authorize ClearTax. Click on forgot password if you have already generated API username/password and do not remember the password ![](https://1228935104-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MZESjKfghy4dwB5DEJ1%2F-M_4hhAe71aAYKH3MvzU%2F-M_4qrp0umfMavcRa458%2Fimage.png?alt=media\&token=5e715638-c012-4a3e-93e0-5541cde77a85) If you have forgotten your password then provide OTP to reset password ![](https://1228935104-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MZESjKfghy4dwB5DEJ1%2F-M_4hhAe71aAYKH3MvzU%2F-M_4r2mrQuogyAEy72U5%2Fimage.png?alt=media\&token=0eb90576-3cc6-4de2-b23e-0c7e49c91dfe) {% hint style="success" %} You have successfully completed the business addition process {% endhint %} ![](https://1228935104-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MZESjKfghy4dwB5DEJ1%2F-M_4hhAe71aAYKH3MvzU%2F-M_4rHMefqiinC1BSey8%2Fimage.png?alt=media\&token=feeed871-367e-4702-a50c-8bbfbbee30ea) ## Feedback {% embed url="" %}