This is a Legally Binding Contract; If Not Understood, Seek Competent Legal Advice. Are you looking for business assistance or considering Maryland as a location?This video provides a step-by-step guide on how to fill out Maryland's Residential Contract of Sale form. In this first module, we begin with a discussion of contracts of adhesion and their use in web and software-based agreements. An e-commerce retailer's guide on how to register for, collect, and file sales tax in Maryland in order to stay compliant. Using a sales commission agreement template is a practical way to create your own. Effective March 14, 2021, the Maryland sales and use tax applies to the sale or use of a digital product or a digital code.