Register to Pay Business Taxes
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IDOR
W-2 Transmitter Registration
Employers may electronically register and obtain their user ID (ETIN) and password for transmission of W-2s online.
IDOR
Business Registration
Learn more about registration requirements for Illinois businesses.
IDOR
Register to Pay Business Taxes
Electronically file your original Individual Income Tax Return with MyTax Illinois.
ILCC
Tasting Representative License
View request forms and guidelines for obtaining an Illinois Tasting Beverage License.
DCEO
Find Community Profiles
Data and information on your local community
DCEO
Locate Commercial & Industrial Sites & Building Locations
A tool to help you locate commercial and industrial sites for your business
DCEO
Meeting or Convention Request for Proposal
Reach out to our CVB professionals to help you plan your next event
IDOT
Aircraft Registration
State law requires aircraft owners who reside in Illinois and fly their aircraft in the state to register their aircraft with IDOT.
IDOT
Airport & Heliport Certification
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.