The purpose of the CISG is to provide a modern, uniform and fair regime for contracts for the international sale of goods. Introduction. 4. 2. Definitions. 4. 3. Summary of Contract Provisions. 9. 4.Scope of Services. 11. 5. Term. 12. 6. An international sales contract is an agreement between a buyer and a seller that identifies the parties in the transaction, the goods or services being sold. The CISG, which deals with both contract formation and the obligations of the parties, carefully balances the interests of the buyer and seller. This Contract for Maintenance of Emergency Generators (hereinafter referred to as. Contract provisions. This article provides a general overview of the convention as well as a short comparative analysis to the Uniform Commercial Code (UCC). This contract involves Foreign Military Sales (FMS). Contract provisions.