They will show you the door. Take ample proof of financial assistantship. Last but not least, have you made any arrangements for living here. If you are planning to stay in the dorms, you need to apply now. Although UGA has several large dorm complexes, these fill up very quickly.
International students end up sometimes living in hotels unit they can find space somewhere to live.
If you are thinking about living off campus, you also need to make arrangements as soon as possible. Let me know what you are planning and I will try to help you.