A PowerPoint presentation that can be used by counsel to train employees of a US company who routinely negotiate contracts, such as procurement, sales, human resources, and marketing employees, about contract formation and enforcement. It gives a high-level overview of the key legal concepts, including authority, formal legal requirements for formation and execution, and potential issues that could impair enforcement, such as mistake, misrepresentation, and public policy. This presentation also explains how a contract could be formed by the exchange of documents, such as purchase orders, invoices, or electronic mail, or course of conduct.