Ideally, they tell you about it and you work together to find a solution. Sometimes, however, this is not possible and it is important that you have a signed agreement to protect your business and its interests. While some full rights are guaranteed in accordance with the Unifrom Commercial Code, the best way to ensure that your interests are protected is your own signed agreement. After reading the credit agreement thoroughly, Sarah accepts all the conditions described in the agreement by signing it. The lender also signs the credit agreement; After the contract is signed by both parties, it becomes legally binding. If you buy a new car under a lease credit agreement, the financial company will pay the garage. They return the money in tranches to the financial company, with the addition of interest.