Questions about completing the ISAC application should be directed to the Illinois Department of Veterans Affairs at 217.782.3564. Proof of registration or acceptance letter to college or university attending.Complete and submit the ID Tag Request Form at the bottom of this page. How and where do I obtain my Military Service Pass? Student seeking to use Veteran Education benefits will need to first complete the application process through the Office of Veteran's Affairs. To obtain a letter from the Illinois Department of Veterans Affairs, follow these steps. 1. Dial 1-800-827-1000. 2. The application process begins with completing the CMS 100 application or the on-line application. You do get official note of pass or fail kinda as I recall, a letter? I know my recruiter couldnt wait to let us all know.