# Who do I contact if my Sandbox is expired?

Source: https://developer.avalara.com/products/ecm/integration-guides/document-management/bdn9068937319395/

Guide: Exemption Certificate Management (ECM)

# Who do I contact if my Sandbox is expired?

Learn who to contact if your Sandbox account has expired and how to get a free, nonexpiring Sandbox account.

Contact your [account manager](https://help.avalara.com/Your_Account/Contact_your_account_manager) if your Sandbox is expired. You can also become a technology partner to receive a free Sandbox account that doesn't expire. Refer to the [Partner Program](https://www.avalara.com/us/en/partners/partner-programs.html) page for more information.