How to refund the examination fee for self-study exam?

I query introduced the method of self-study exam refund, as follows:

1. Understand the refund policy and see if it meets the refund conditions.

2. If the refund conditions are met, relevant materials need to be prepared.

3. Apply for a refund from the local education examination institute.

4. Waiting for the examination of the Education Examinations Institute.

5. Get a refund.