Why do I need to upload a resale certificate to the Gelato Dashboard? A valid resale certificate is required for Gelato to correctly calculate sales taxes on your orders. You can upload your certificate from the Gelato Dashboard, in the Settings menu. Read more... Related articles What is a resale certificate? Understanding Tax on Gelato API invoices I don't sell print materials in the US. Do I still need to upload a resale certificate? I operate in multiple states in the US. Do I need to upload a certificate for each state? What is the Gelato Dashboard?