An IT maintenance agreement is used to outline the terms and conditions of a service agreement between a client and an IT service provider. This agreement specifies the scope of services to be provided by the IT service provider, such as software updates, hardware maintenance, technical support, and troubleshooting. It also defines the roles and responsibilities of both parties, including the service level expectations, payment terms, and dispute resolution procedures. An IT maintenance agreement is important because it helps to ensure that the IT infrastructure of a business is properly maintained and functioning, which is critical for the smooth operation of the business.