In the event of failure, do candidates need to wait a specified period of time before they can test again?
Yes, candidates must wait for a period of 60 days between administrations. No authorization to schedule testing appointments will be issued by the Professional Examination Service (PES) until 60 days have elapsed since the last testing. It is estimated that much of that time will be taken up by the need to reapply to the licensing authority for each subsequent examination administration.