> For the complete documentation index, see [llms.txt](https://docs.cleartax.in/product-help-and-support/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cleartax.in/product-help-and-support/clear-finance-cloud/cleare-invoicing/get-started-with-cleare-invoicing/account-setup/set-up-business-unit.md).

# 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"

![](/files/-M_4pR9mtHvKNaLMn26C)

### 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

![](/files/-M_4pvxRFjDZOMSY8cvK)

### 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

![](/files/-M_4qrp0umfMavcRa458)

If you have forgotten your password then provide OTP to reset password

![](/files/-M_4r2mrQuogyAEy72U5)

{% hint style="success" %}
You have successfully completed the business addition process
{% endhint %}

![](/files/-M_4rHMefqiinC1BSey8)

## Feedback

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