| You -can- change your major after submitting your SIR. You will most likely have to do it in person instead of online. It'd be preposterous for a school to lock you into a major after you submit your SIR! Many students change their majors at least once before declaring into one
They definitely wont rescind you for leaving out the TA course on your course list. I don't think I added mine either. I never said anything because I knew nothing would happen. You'll be fine =] |