According to the The Registrar’s Office:
Tuesday, January 30, 2007 is the last day to add or drop a class without permission.
After Tuesday, January 30 all adds will have to be done with a permission number. The last day to add a class with a permission number for the spring semester is Tuesday, February 13. No exceptions after this date!
After Tuesday, January 30 all drops will have to be done using a change of program card obtained from the Admissions, Records and Evaluations Office. From Wednesday, January 31 through Tuesday, February 13 all drops will require the approval of your instructor. Beginning Wednesday, February 14 through Tuesday, April 17 all drops must be of a serious and compelling reason and will need the approval of the instructor and School/College Dean.