600 Corporation Tax Return
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Complete, save and print the form online using your browser.
2023 - 600 Corporation Tax Return
2022 - 600 Corporation Tax Return
2021 - 600 Corporation Tax Return
2020 - 600 Corporation Tax Return
For more information read this year's Corporation Income Tax Instruction Booklet (IT-611.)
Prior Years - 2019 and earlier
IMPORTANT! To successfully complete the form, you must download and use the current version of Adobe Acrobat Reader.
- Download and save the form to your local computer. To save the file, right-click and choose save link as. Be sure and note where the file is being saved.
- Open the pdf using the current version of Adobe Acrobat Reader (download a free copy of Adobe Acrobat Reader.)
- Complete and save the form on your computer. Print the form and mail to the appropriate address on the form.
- Can I fill the forms out by hand? Yes, but forms completed electronically process faster than handwritten forms.
- Fillable forms do not work reliably with all the different browsers but they do work reliably with Adobe Acrobat Reader.