I applied EA and the school did not require CSS Profile. The financial aid notification for EA applicants is in early Feburary but if the fafsa is submitted by the ED deadline (November 15), EA applicants get their decisions right after their acceptance. The reason I am so held back over this is because I need to receive the financial aid information in December (in the event that I am accepted) in order to determine if I am going to apply to another school ED II. However, you have clarified that I can update information without it affecting me negatively, so I will try and use the IRS DRT.