CC Students: Columbia College students who wish to register for courses that overlap must visit the Dean's Office in 208 Hamilton Hall, before the last day of registration, to petition for approval. Click here for the form.

SEAS Students: Columbia Engineering students who wish to register for courses that overlap must submit the Overlap Approval form to their Advising Dean before the last day of registration.  You should also fill out a Registration and Add/Drop form indicating which class you would like to add.