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Get Il Dor Reg-1 2022-2026
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How to fill out the IL DoR REG-1 online
The IL DoR REG-1 form is essential for registering your business with the Illinois Department of Revenue. This guide provides you with straightforward steps to complete the form online, ensuring you provide all necessary information accurately and efficiently.
Follow the steps to complete the IL DoR REG-1 application.
- Click ‘Get Form’ button to obtain the form and open it in the editor.
- Identify your business or organization by entering the Federal Employer Identification Number (FEIN) or Social Security Number (SSN) if you are a proprietorship. Also, select the appropriate organization type that applies to you.
- Provide your legal business name on the designated line. If you operate under a different name, fill in the Doing-Business-As (DBA) name, if applicable. Include your primary business address.
- If your mailing address differs from your primary address, enter the mailing address information. This includes any in-care-of name, apartment or suite number, city, state, and ZIP code.
- Identify a contact person associated with your business, including their name, title, address, phone number, and email address.
- Detail the owners and officers of your business in the subsequent sections depending on your organization type. Always include required identifiers such as SSN or FEIN.
- Provide comprehensive information about your business activities, including a description and your North American Industry Classification System (NAICS) number.
- Indicate whether you will have employees in Illinois and, if required, complete the additional pertinent schedules.
- Check all corresponding business activity types that apply to your organization and indicate when these activities began.
- Sign the form, providing your printed name, title, SSN, and contact information. Verify that all provided information is accurate and complete before mailing it to the designated address.
Complete your IL DoR REG-1 application online today to ensure a smooth registration process.
This is done by filing IRS Form SS-4 or by calling the IRS at (800) 829-4933. If you call, it is best to have a blank copy of Form SS-4 on the table in front of you. The form can be downloaded from the IRS website. The company must also obtain an Illinois Business Tax number from the Illinois Department of Revenue.