Tax Exempt Organizations If you are a tax exempt organization, please do the following to create a seamless order. 1. Set up an online account with our web store. 2. Email your properly completed and signed tax exempt certificate to: sales@1800ceiling.com 3. In the subject line write: Tax Exempt Certificate 4. In the body of the email please state the email address you used to create your account. 5. We will change your status to tax exempt and notify you via email when the status has been updated. 6. Please wait for the email before placing your order.