After you have been admitted to a course, the host office will sign the petition and return it to your registrar's office. Generally both your school and the host school have cross-registration and drop deadlines which must be observed. The course grading system and regulations of the host school will be observed. Other rules and regulations of your school must also be followed. Be sure to notify both schools when dropping a cross-registered course.
Some schools have pre-registration arrangements.
Others may maintain waiting lists.