Skip to main content

Aviation Fuel Sales and Use Tax

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.  See also the listing of units of local government imposing local tax on aviation fuel sold at retail that have certified an airport-related purpose with the Illinois Department of Transportation (IDOT).

Name Description   
  MyTax Illinois
ST-70 Instr. Aviation Fuel Sales and Use Tax Return Instructions Note: For reporting periods January 2021 and after. (R-06/20)
ST-70-X Instr. Amended Aviation Fuel Sales and Use Tax Return Instructions Note: For reporting periods January 2021 and after. (R-06/20)
ST-71 Instr. Multiple Site Form Instructions Note: For reporting periods January 2021 and after. (R-06/20)
ST-70 Instr. Aviation Fuel Sales and Use Tax Return Instructions Note: For reporting periods December 2019 through December 2020. (R-12/19)
ST-70-X Instr. Amended Aviation Fuel Sales and Use Tax Return Instructions Note: For reporting periods December 2019 through December 2020. (R-12/19)
ST-71 Instr. Multiple Site Form Instructions Note: For reporting periods December 2020 and before. (N-12/17)
ST-70 Instr. Aviation Fuel Sales and Use Tax Return Instructions Note: For reporting periods November 2019 and before. (N-12/17)
ST-70-X Instr. Amended Aviation Fuel Sales and Use Tax Return Instructions Note: For reporting periods November 2019 and before. (N-12/17)