Ill. Admin. Code. tit 86, § 106.130 - Where to Send Internet Returns
Internet filed eligible returns will be transmitted via the Internet to the Illinois Department of Revenue server in Springfield, Illinois.
Disclaimer. This may not be the most current version of this information. Users should consult official sources to verify information on this site is recent and current. Marble does not warrant or represent the accuracy, completeness or reliability of the information contained on this site.