ONLINE PROCTORING. You cannot reschedule or cancel this scheduled test session with less than 24 hours’ notice and rescheduling or cancelling requires contacting your test sponsor. If you reschedule or cancel your registration with less than the notice listed above, you may be required to pay an additional fee.  

 
ONSITE PROCTORING. You must provide at least 72 hours’ notice to cancel or reschedule a test session scheduled at an onsite test center. Test fees, vouchers, or coupons used to pay for the exam will not be refunded for sessions cancelled without proper notice.