How to Obtain a Certificate of Registration in Illinois

How do I get a certificate of registration in Illinois? If applicable, you will receive your certificate of registration and taxpayer ID (i.e., your “”tax”” number) in the mail. electronically through MyTax Illinois, by calling us at 217-785-3707, or. at one of our offices. Read more on www2.illinois.gov Before starting to sell tangible personal property … Read more