Illinois Form Reg 1 - Electronically register through mytax illinois (approximately one to two days to. May 2023 for businesses without a mytax illinois logon: Application for sales tax exemption. Notice of sale, purchase, or transfer of business assets. To complete your registration, go to. Click here to download the pdf. Web to register your business you must. Register faster using mytax illinois, our online account management. Click here to go to mytax illinois to file your application online. Web filing online is quick and easy!
May 2023 for businesses without a mytax illinois logon: Web filing online is quick and easy! Web to register your business you must. Click here to go to mytax illinois to file your application online. Application for sales tax exemption. To complete your registration, go to. Register faster using mytax illinois, our online account management. Notice of sale, purchase, or transfer of business assets. Electronically register through mytax illinois (approximately one to two days to. Click here to download the pdf.