This article lays out an overview of the important factors of drafting an ecommerce vendor agreement. A one or two sentence description of the business is sufficient.(3) Insert the address of the LLC. In this article, you will understand the rights of the consumer and the rights of the vendor for purchasing and selling on ecommerce websites. Effective March 14, 2021, the Maryland sales and use tax applies to the sale or use of a digital product or a digital code. NIGP QPPD Accredited. This class will help you learn how to fill out the form. Watch. Gov(link sends e-mail). 410.650.5937. Address Change Request. If you take no action, the form will open in a few seconds.