State Of Illinois Crt 61 Form - <if) illinois department of revenue. Customer # certificate of resale. Web this permit will furnish a business with a unique illinois sales tax number, otherwise referred to as a sales tax id number. A sales tax exemption certificate can be used by businesses (or in some cases, individuals).
<if) illinois department of revenue. Web this permit will furnish a business with a unique illinois sales tax number, otherwise referred to as a sales tax id number. A sales tax exemption certificate can be used by businesses (or in some cases, individuals). Customer # certificate of resale.