St108 2026

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The document is the Indiana Department of Revenue's Form ST-108, which certifies the payment of Gross Retail or Use Tax on the purchase of a motor vehicle or watercraft. It outlines the necessary information required from both the dealer and purchaser, including tax calculations based on selling price and trade-in allowances. The form must be completed accurately to ensure compliance with state tax regulations, and it includes instructions for submission and certification by the seller.

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Click ‘Get Form’ to open the ST-108 in the editor.
Begin by entering the dealer's information. Fill in the NAME OF DEALER, TID#, and Dealer’s License Number as they appear on your Registered Retail Merchant Certificate.
Next, provide the address of the dealer, including city, state, and zip code. Ensure all details are accurate to avoid rejection.
In the Vehicle Identification Information section, input the VIN or HIN ID#, year of manufacture, and model or length of the vehicle or watercraft.
For the Calculation of Sales/Use Tax, enter the Total Selling Price and Trade-In Allowance if applicable. Calculate the Amount Subject to Tax by subtracting Line 2 from Line 1.
Finally, calculate the Amount of Tax Collected by multiplying Line 3 by 7%. Don’t forget to sign and date the form at the bottom before submission.

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