Wait listing for closed classes ends when the first week of classes ends, usually on a Sunday or Monday holiday.* For Spring 2023, wait listing ends Sunday, Jan. 29. If there's still time to wait list and you need help, visit How to Wait List for Closed Classes [1]. * Starting Jan. 30, permission numbers are required to add ALL classes. Learn more at Registration FAQs - Permission Numbers [2].Have a great semester![1] https://www.csun.edu/current-students/waitlist [2] https://www.csun.edu/current-students/register/faqs#PermissionNumbers