How long do I have to take an exam once I purchase a self-study course? The CPE exam and course material are valid for one year from purchase date. Related articles What is the minimum passing grade for a self-study exam? If I don’t pass my exam on the first try, can I take it again? How do I access my Self-Study Package? How do I access a previously-purchased webinar, self-study course, or package on the Surgent website?