1) Scroll down the 'Control Panel' and click on 'State Sales Tax' under the 'Commerce' heading.
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Steps 2, 3 & 4: Check the state you are required to collect sales tax in and enter the sales tax amount that should be charged for in-state purchases. For example, if your state tax is 5.25%, enter 5.25 in the tax amount field.
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4) When you are finished, scroll down & click the 'Save' button
For more information on charging County Tax or Colorado's Retail Delivery Fee please email [email protected]