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Get Il Dor Il-1120-st 2017
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How to fill out the IL DoR IL-1120-ST online
This guide provides clear and comprehensive instructions for completing the IL DoR IL-1120-ST form online. Whether you are a small business owner or a preparer, this step-by-step guidance will assist you in accurately filing your taxes.
Follow the steps to fill out the IL DoR IL-1120-ST form with ease.
- Click ‘Get Form’ button to obtain the form and open it in the editor.
- Begin by entering the tax year for your business, indicating whether it is a fiscal year and providing the ending date.
- Identify your small business corporation by entering your complete legal business name and checking any applicable boxes regarding name changes or membership in a unitary business group.
- Enter your NAICS code and the city, state, and zip code where your accounting records are maintained.
- Complete Step 2-9 for calculating ordinary income, unmodified base income, income allocable to Illinois, net income, replacement tax, and any payments owed.
- Once completed, you can save changes, download, or print the form.
Complete your IL-1120-ST form online today to ensure timely and accurate filing.
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You should mail form IL-1120 to the address listed on the instruction sheet for the form. Typically, the address varies based on whether you are including a payment or filing for a refund. For specific guidance, you can visit the Illinois Department of Revenue’s website or consult our resources for detailed mailing addresses.
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