TaxBandits Knowledge Base

Illinois: 1099 State Filing Requirements

The State of Illinois mandates filing Form 1099 with the state agency under the following conditions.

Illinois State ID Format:
 

• 9 digits - 2 digits and a hyphen followed by 7 digits (Eg: 99-9999999)
   

Required 1099 Forms

Illinois  requires the filing of the following 1099 forms: 

• 1099-NEC
• 1099-MISC
• 1099-K
• 1099-INT
• 1099-DIV
• 1099-R
• 1099-B
• 1099-G
• 1099-OID
• W-2G

Filing Criteria and Requirements

Criteria 1: If Illinois state tax is withheld

• Payment Threshold: More than $0

• Filing Method: Direct State Filing

  • You must file Form 1099 directly with the state.

• Additional Form Required: Not required

• Deadline: March 31, 2025

Criteria 2: If no Illinois state tax is withheld

• Payment Threshold: Follows Federal Threshold

• Filing Method: Direct State Filing

  • You must file Form 1099 directly with the state.

• Additional Form Required: Not required

• Deadline: March 31, 2025

For more information about Illinois 1099 filing requirements, click here.