Who Approves Cuyahoga County Purchases? Purchase Agreement - Standard Form.Click here to download a Standard Purchase Agreement. In this tutorial we explain the different sections of the revised Ohio Real Estate Contract. Want to be a Part-Time or Full-time Realtor? Registered sellers can view any purchase orders awarded to them, as well as view items on contract with the agency. View Purchase Orders. This Purchase and Sale Agreement ("Agreement") is made and entered into between DMark.