The reseller's tax ID number also goes by the names of "resale permit/license," "Certificate of Authority," "sales tax license" and even "seller's permit." The reseller's tax ID number gives you the authority to pass onto your customers any sales tax charges that you do not pay to wholesalers or manufacturers from whom you purchase products for resale. Individual states generally set the sales tax rate which you must charge customers.
Go online to your state's official website. Click the link that takes you to the website for your state's Department of Revenue, Department of Taxation or other similarly-named state division or department.
Navigate to the business forms and tax licenses section of the site. Click on the "Sales Tax" or "Sales and Use Tax" section.
Click the "Register Online" option if your state offers online registration for the reseller's license. Otherwise, click the link to download the sales tax application to your computer. Print the form if you cannot complete it electronically.
Fill in the information required to complete the sales tax application. Describe the type of business you have, products and services you're selling and enter any business license numbers for which the application asks.
Click the "Submit" button if you are completing the application online. Print the form if you must send a hard copy to an appropriate state department or agency. Enclose a check or money order if you must pay a processing or registration fee. Mail the sales tax form to the address listed on the application. Wait for an approval notice from the state containing your reseller's tax ID number.
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