# Go-Live Cutover Activity Checklist

After the completion of UAT, to migrate to the production environment proceed with the following steps:

## 1. Get Clear production account 

If you do not have a Clear production account yet, contact your account manager or sign up here <https://app.clear.in> (India) or <https://app.cleartax.com> (KSA).&#x20;

## 2. Add business hierarchy

Check if all the PANs, GSTINs, Branches are added in your Clear production account. If you need help setting this up, contact your account manager.

## 3. Activate GSTINs

1. If you are using E-Invoicing or E-Waybill, update the NIC credentials against respective GSTIN on Clear. To know more, refer to <https://docs.cleartax.in/product-help-and-support/clear-finance-cloud/cleare-invoicing/get-started-with-cleare-invoicing/account-setup/set-up-business-unit>
2. If you are using GST or Max ITC, update the GSTN credentials against respective GSTIN and activate with OTP on Clear. To know more, refer to <https://docs.cleartax.in/product-help-and-support/for-large-businesses/clearmax-itc/get-started-with-clearmax-itc>

## 4. Update production code configurations

### 4.1 Update the hostname or base URL

For more information on the hostname, refer to [https://docs.cleartax.in/cleartax-docs/clear-finance-cloud/cfc-api-reference#2.-production-environment](https://docs.cleartax.in/cleartax-docs/clear-finance-cloud/cfc-api-reference#1.2.-production-environment)

### 4.2 Update the client secret or access token

For more information on creating API client, refer to <https://docs.cleartax.in/cleartax-docs/clear-finance-cloud/learn-clear-finance-cloud-basics/api-client>&#x20;

In case you are using a never expiring access token, instead of updating the client secret, update the access token directly. For more information on generating an access token, refer to <https://docs.cleartax.in/cleartax-docs/clear-finance-cloud/cfc-api-reference/generate-access-token-api>&#x20;

## 5. Test connectivity from ERP to Clear API

### 5.1 Ensure DNS resolution&#x20;

For more information, refer to the guide on [how to check DNS Resolution](https://docs.cleartax.in/cleartax-docs/general/how-to-check-dns-resolution).&#x20;

### 5.2 Ensure hostname is reachable from your ERP

For more information, refer to the guide on [how to check hostname reachability](https://docs.cleartax.in/cleartax-docs/general/how-to-check-hostname-reachability).

### 5.3 Ensure your ERP trusts Clear hostnames

For more information, refer to the guide on [how to check if hostname is trusted](https://docs.cleartax.in/cleartax-docs/general/how-to-check-if-hostname-is-trusted).

### 6. Done&#x20;

Start using the integration from the production environment.