Option 1: Return items manually.

1. From your FastCommerce admin, go to Orders.
2. Click on the order number to view the Order Details page.
3. Click Return Items on the right side of the page.
4. On the Return Details page, Click Authorize. 
5. On the Return Items page, fill in the required detail, and click Submit.

Option 2: Return items through the online store.

1. From your FastCommerce admin, go to Orders.
2. Click on the order number to view the Return Details page.
3. On the Return Details page, Click Authorize.
4. On the Return Items page, fill in the required detail, and click Submit.