Domestic Aid Applicants: Income documentation, such as 2013 federal tax returns and W-2 forms, should be mailed to the College Board’s IDOC Service by April 15, 2014. After you complete the CSS PROFILE, instructions will be provided both in an email and on the PROFILE Acknowledgement screen. A link is provided to a required Cover Sheet. This Cover Sheet must be included with the documents submitted to the College Board. Please complete it carefully. Wait until you have all required documents and submit them together in one packet. Do not send multiple packets. Contact our office if you have any questions.