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State Information Data Exchange System (SIDES)

Electronically Manage Your UI Claims​

SIDES is a free electronic system that uses a nationally standardized format to allow employers to easily respond to UI Notice of Claims ​information requests, attach documentation when needed, and receive a date-stamped confirmation of receipt.​​

Registering for SIDES is easy if you already have a MyTax Illinois account.

  • ​Simply login to your MyTax Illinois account at mytaxillinois.gov.
    • Click on the "More" tab
    • Locate the "SIDES" Grid
    • Select "Manage SIDES Information"
    • Select "Manage" or "Enroll" next to "Income Verification"
    • Select "Manage" or "Enroll" next to "Separation Information"
  • It's that easy!

For assistance please call 800-247-4984.

  • ​For claims information, press 4
  • Then, for SIDES information, press 1

References

Options

Why should I consider SIDES?

The SIDES website provides an easy, efficient and secure way to electronically respond to UI Notice of Claims information requests from IDES.​

  • Eliminates delays related to paper mail delivery;
  • Allows more time to gather information and respond
  • Ensures more complete information is provided through standard validations and business rules;
  • Reduces time-consuming follow-up telephone calls;
  • Keeps UI tax rates lower by reducing improper payments.​

Potential Cost Savings

SIDES also addresses two of the largest causes of UI overpayments;

  • Incorrect initial eligibility decisions (job separation issues) and
  • Working while receiving UI benefits

Additional information is available at the Unemployment Insurance State Information Data Exchange (SIDES).​

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