W-4 Indiana Department of Revenue Motor Vehicle Sales Tax Exemption Certificate: Form ST-105 Indiana Department of Revenue General Sales Tax Exemption Certificate β IN .gov Find out why you may be on the sales tax exemption side of the balance sheet. Form ST-105 Indiana Department of Revenue General Sales Tax Exemption Certificate βΒ Sales Tax Exemption Certificate: Individual β Individual Tax Exemption : Form ST-105 Indiana Department of Revenue General Sales Tax Exemption Certificate βΒ Sales Tax Exemption Certificate: Individual β Non-Resident Alien β Individual Tax Exemption : Form ST-105 Indiana Department of Revenue General Sales Tax Exemption Certificate βΒ Sales Tax Exemption Certificate: Retailer, Distributor, Wholesaler and Supplier β Retailer, Distributor, Wholesaler and Supplier Tax Exemption: Form ST-105 Indiana Department of Revenue General Sales Tax Exemption Certificate β Sales Tax Exemption Certificate: Retailer, Distributor, Wholesaler and Supplier β Retailer, Distributor, Wholesaler and Supplier Tax Exemption: Form ST-105 Indiana Department of Revenue General Sales Tax Exemption Certificate β Sales Tax Exemption Certificate: Retailer, Distributor, Wholesaler and Supplier β Retailer, Distributor, Wholesaler and Supplier Tax Exemption: Form ST-105 Indiana Department of Revenue General Sales Tax Exemption Certificate β Sales Tax Exemption Certificate: Retailer, Distributor, Wholesaler and Supplier β Retailer, Distributor, Wholesaler and Supplier Tax Exemption: Form ST-105 Indiana Department of Revenue General Sales Tax Exemption Certificate β Form ST-105 Indiana Department of Revenue General Sales Tax Exemption Certificate β Form LTC-01, Request for Taxpayer Identification Number (ST-872).