The Illinois Department of Revenue (IDOR) is providing taxpayers with tips and alerting them to changes they may encounter when filing their 2023 state income taxes early next year.

Tips for Filing 2023 Returns

Gathering 2023 Tax Documents

Some common documents, records, or receipts taxpayers may need to file include:

• Adjusted Gross Income (AGI) from 2022 IL-1040,

• Copy of federal income tax return and schedules,

• Copies of all W-2 and 1099 forms,

• Property Number and amount of property taxes paid if claiming a property tax credit,

• Voluntary emergency worker credit certificate,

• Receipts for qualified education or moving expenses, and

• Routing and account number if due a refund and choose to deposit refund directly into checking or savings account.

For the most up-to-date information, forms, schedules, and instructions for the 2023 tax season, please visit IDOR’s website at:  tax.illinois.gov