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Aviation Fuel Sales and Use Tax

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Use MyTax Illinois, to electronically file Form ST-70, Aviation Fuel Sales and Use Tax Return, and Form ST-70-X, Amended Aviation Fuel Sales and Use Tax Return. These forms are not available for download.

For more information, see FY 2018-13-A.

Name Description   
  MyTax Illinois
ST-70 Instr. Aviation Fuel Sales and Use Tax Return Instructions (N-12/17)
ST-70-X Instr. Amended Aviation Fuel Sales and Use Tax Return Instructions (N-12/17)
ST-71 Instr. Multiple Site Form Instructions (N-12/17)