Download INTERNATIONAL SALE CONTRACT sample in Word format. Fill in the blanks and choose the terms of this international agreement that best suit your needs.An international sale agreement establishes the terms for a transaction between a seller and buyer located in different countries. In this webinar, attorney and licensed customs broker Jack Shelton explains the fundamentals of a sales contract including why you need a written contract. Purchase and Sale Agreement. A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price. Current Statewide Term Contracts can be found on this page. A real property contract is a contract between a real property contractor and another person to perform a capital improvement to real property. What Sales and Use Tax is Due? Is the total purchase price, inclusive of any applicable sales taxes.