A service contract is an agreement between two or more parties to complete specific acts. These might include tuning up a vehicle or painting a house.A master service agreement (MSA) is a fundamental contract outlining the scope of the relationship between two parties. The main difference is that warranties are included in the purchase price and service contracts cost extra. Sec. 125. (1) A service contract is not insurance or the business of insurance and is not subject to this act. A service agreement is a legally binding arrangement between two parties that dictates the terms for a fee for service activity. Service contracts are legally binding agreements between a service provider and a client that outline the specific services to be provided. State agencies acquire personal services either through an independent contractor or from a special personal services employee. After determining the need to. An extended warranty or service contract is different from the warranties that may automatically come with a product.