Where do I get my Illinois secretary of state identification number?If you do not have a renewal notice or a current registration card, please call the Public Inquiry Division at 800-252-8980 (toll free in Illinois) or 217-785-3000 (outside Illinois) to obtain your Registration ID and PIN number.
How do I get a business tax ID number in Illinois?Business Registration. electronically register through MyTax Illinois (approximately one to two days to process);. complete and mail Form REG-1, Illinois Business Registration Application, to us at the address on the form (Form REG-1 is available on our web site as a fill-in and savable form. ... . visit one of our offices.. Can I look up my business EIN number?Ask the IRS to search for your EIN by calling the Business & Specialty Tax Line at 800-829-4933. The hours of operation are 7:00 a.m. - 7:00 p.m. local time, Monday through Friday.
How do I get an IBT number in Illinois?To obtain an IBT, you register with IDOR. To register your business, you may choose one of the following options: Register electronically through MyTax Illinois - (fastest processing time). Complete and mail Form REG-1 Illinois Business Registration Application -
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