That is easy! Just e-mail us a copy of your RESALE Tax Exempt / Resale Certificate and once we receive it, we will send you a link to activate your wholesale account. E-mail the Resale Certificate to - wholesale@piperloucollection.com Note: Your EIN # does not work since it is Federal Taxes not State If you do not have a Resale Certificate and are looking to just do custom items for your business. Email us at wholesale@piperloucollection.com