Illinois Form St 587 - Identify the seller the seller. A sales tax exemption certificate can be used by businesses (or in some cases, individuals) who are making. Exemption certificate (for manufacturing, production agriculture, and coal and aggregate mining) step 1:
A sales tax exemption certificate can be used by businesses (or in some cases, individuals) who are making. Identify the seller the seller. Exemption certificate (for manufacturing, production agriculture, and coal and aggregate mining) step 1: