It is a formal document that explains what VA entitlement you possess, through the Department of Veterans Affairs.
This option is available for active-duty, veteran and dependent Ch.33 Post 9/11 GI Bill recipients only. You must register for a Premier account through Ebenefits, which is a free account. You must have the Premier Ebenefits account otherwise it will not populate the COE for viewing/printing.
You may print off a copy of your COE by logging onto Ebenefits & following the following steps:
This option is available for federal Department of Veterans Affairs education benefit recipients. Call 1-888-GI BILL-1 (888-442-4551) to have copy mailed to you. VA processing time is 6 - 8 weeks.