---
title: "Online 1040 - How to Activate Checks"
canonical: "https://support.crosslinktax.com/space/CSC/1869290942/Online%201040%20-%20How%20to%20Activate%20Checks"
format: markdown
---
> ℹ️ When printing customer’s refund checks, the software needs to have a check number range activated/registered in the system. This is how the software knows and verify what the next available check number(s) that can be used.

**Follow the instructions below to successfully activate checks using CLO:**

1. Click **Office Settings**.

2. Click **Checks**.

3. Click **Activate Check**.

![image](media://51f60238-eb9c-4246-8efd-30ccfbdc7472)

4. Complete the **required information** for your desired bank provider.

![image](media://f22870ef-f0af-4a9e-bf35-f84c17e1b161)

5. Click **Add**.