Grant Third-Party Administrator (TPA) Access in Illinois
A Third-Party Administrator (TPA) is an external organization or service provider that manages payroll and employee benefits on behalf of a company.
Note: Confirm that Check Technologies has TPA access for the current year and upcoming filing periods. Access can have a prescribed end date or extend indefinitely. Update or renew the access as needed.
Steps to Authorize Check as Your TPA in Illinois
Illinois — MyTax Illinois (IL SIT / SUI) - Optional
- Log in to MyTax Illinois
- Navigate to Settings → Manage Third Party Access
-
Set:
- Allow = Yes
- Default Access = Third Party
- Default Account Access = Full Access
Not required to file, amend, or resolve notices today. Granting access lets Check see rates, balances, payment history, and return detail directly with the agency, so you'll have fewer requests for information and quicker answers.