Buyer's Right to Restitution and Damages for Seller's Partial Delivery

A contractual relationship regarding the sale of goods was established between two parties, where the buyer made an initial payment with the seller later delivering only a portion of the agreed-upon quantity, leading the buyer to terminate the contract and demand the return of the initial payment plus damages. The court, upholding the lower court's decision, reasoned that the seller's partial delivery constituted a fundamental breach of the contract, justifying the buyer's unilateral termination and entitlement to restitution of the advance payment and compensation for resulting prejudice, as the seller failed to fulfill the essential obligation of delivering the entirety of the contracted goods.