How to do unreferenced returns?

In the POS, it's possible to configure "allowed unreferenced return for different types of transactions".

1. In your POS, click the "Gear" icon settings on the upper right.
   
   
    
2. Click "Payment Configuration" in the general
   
   
    
3. Scroll down till you see" allowed tenders on return without the receipt"
   
   
    
4. Tick the box for the type of payment then save.