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Iowa Sales Tax Exemption Certificate Energy Used in
To claim exemption, complete the Iowa Sales Tax Exemption Certificate for Energy Used in Processing or Agriculture (31-113) and give it to your supplier.
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Form ST3, Certificate of Exemption
Purchaser: Complete this certificate and give it to the seller. Seller: If this certificate is not completed, you must charge sales tax.
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Feb 13, 2020 such as aviation and aerospace, agriculture, construction, government and military, mining, natural resources, power generation and
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