The signer of this certificate MUST check the box showing the basis for which the exemption is being claimed. 1. Enter the federal adjusted gross income from line 11 of your federal return (1040, 1040-SR, 1040NR).A sales tax license number is required only where indicated. Please sign, date and, if applicable, include your license or exemption number. Forms. Purchase Card. TC-721G Utah State Tax Commission Exemption Certificate for Government. The person signing this certificate MUST check the applicable box showing the basis for which the exemption is being claimed. To get taxexempt status for purchasing wholesale items in Utah, you'll need to complete a Utah Exemption Certificate (Form TC721). 1. Provide your business name and address. Please sign, date and, if applicable, include your license or exemption number.