To add classes, request a permission number from your professor or the department offering the class.Additionally, during *Weeks 2 through 4* of classes, Sept. 5 to Sept. 24, 2023:* Wait listing is not available. * You may continue to add, drop or swap classes, or change the basis of grading online through the CSUN Portal or the CSUN mobile app.Online, self-service registration access to drop classes or change grading basis ends Sunday, Sept. 24, 2023.If possible, please finalize your schedule by Sept. 24, the end of Week 4, when recorded enrollments are considered official..... Resources:* What is a permission number? [1] * Are there any downsides to CR/NC grading [2]? * How do I change the grading basis of a class [3] online?[1] https://www.csun.edu/current-students/register/faqs#PermissionNumbers [2] https://catalog.csun.edu/policies/credit-no-credit-grading/ [3] https://www.csun.edu/current-students/change-grade-basis