Withdraws the appeal filed with the Illinois Department of Employment Security on . (Date). I certify that a copy of this Withdrawal was served on all parties.Inform applicants that a job offer may be withdrawn if certain contingencies are not met. To withdraw your foreign corporation in Illinois, you must complete and submit BCA 13.45, Application for Withdrawal and Final Report form in duplicate. Illinois Legal Aid Online provides a guided interview called an Easy Form that will help you fill out the forms. A letter of withdrawal is what you'd provide to an employer with who you are in the hiring process, but have decided not to move forward working for. To create an Illinois workNet account: Go to the Illinois workNet home page. Click on Sign Up in the header. Use form LLC 5.5 to establish an Illinois limited liability company.