From Disability Services:
After your “Accommodation Eligibility Notifications” are sent to your instructors, you are responsible for speaking with each instructor to determine if you will take exams directly with them, or in the EPC. If you together determine the EPC, your exam booking requests MUST be submitted at least five business days before the exam. Plan ahead – book all exams for the semester so you know it’s done and you can concentrate on the exam itself (not remembering to book them)!
Read more here.