Signing up for Direct Deposit is easy. More than two secondary accounts will require an additional form to be completed and signed.Signature (required to validate this request). Date. Direct Deposit Sign Up. Direct Deposit allows State of Illinois payees to electronically receive their payments. To enroll in direct deposit, complete this form and submit it to the Payroll Department. Attach a Void check for each checking account, not a deposit slip. Signature Authorization to Cancel Direct Deposit.