Real Estate Services Forms. Note: These documents must be prepared in accordance with ORC 317.114 - Standard format of instruments to be recorded.For a sample pro-seller master sale of goods agreement, see Standard Document,. Sale of Goods Agreement (Pro-Seller). (2-518-9260). A master purchase agreement is a legally binding contract between buyer and seller, and typically relates to buying and selling goods rather than services. Links to the most requested forms from the Treasurer's Department for taxpayers in Cuyahoga County. This Master Sales Agreement (the "Agreement") is entered into between the buyer listed on the applicable Purchase Order ("Buyer") and Calimetrix, LLC. Owners of any home built before 1978 must provide this disclosure to buyers before signing a purchase agreement. Should Buyer desire to purchase goods or services from Seller, Buyer will execute a separate purchase agreement in the form of a ("Contract"). In 2015, the median sales price in Cuyahoga.