Let's look at how to refund a course on your Phorest system. 

Firstly, we need to create an open sale:

1. Click Purchase
2. Type the client's name or click Walk-In
3. Choose a Staff Member
4. Press Hot Keys
5. Press Open Sale
6. Type the amount you are refunding and enter a description(eg. Course refund)
7. Choose Service 
8. Choose VAT amount.
9. Press OK.
10. Your open sale is now created. Click the settings wheel beside the price under the More heading and select Refund. Then pay through the refund as normal.

Next, we need to reduce the remaining course units to 0:

1. Click Manager
2. Click Courses
3. Click the Client Courses heading
4. Search for your client's course and double click into it
5. Double-click on the units remaining and change them to 0

The course is now refunded. Please see the walk-through video below to go over the process above: