Refer to the College calendar listed in the catalog. Obtain an appeal form from the dean of student affairs office on your campus to request a refund, if you feel the circumstances warrant it. My class was cancelled. Refunds are mailed automatically unless you register for another class in its place. Usually a class is cancelled when too few students enrolled in that particular class.
Decals are available at the campus security office.
Pay it in the campus business affairs office. Contact a counselor or adviser within the campus student affairs office. They are specially trained to answer such questions and to help you obtain the assistance you need.