Electronically file your original Individual Income Tax Return with MyTax Illinois.
Employers may electronically register and obtain their user ID (ETIN) and password for transmission of W-2s online.
Learn more about registration requirements for Illinois businesses.
View request forms and guidelines for obtaining an Illinois Tasting Beverage License.
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State law requires aircraft owners who reside in Illinois and fly their aircraft in the state to register their aircraft with IDOT.
IDOT is empowered and directed to encourage, foster and assist in the development of aeronautics in this state and to encourage the establishment of airports and other air navigation facilities. The Division of Aeronautics classifies and approves airports and restricted landing areas and any alterations or extensions thereof.