тарифный план(UK. A service plan is a contract to purchasers of products for an additional fee. While service plans resemble extended warranties, there are several important differences between the two, often cited by retailers that sell them. wiki Alexander Demidov)
план обслуживания(A collection of Exchange features, organization-wide resource limits, and permissions that are automatically configured or applied when a new hosted organization is provisioned in the service; A collection of the Exchange features that are enabled for a hosted organization, as well as the organization-wide resource limits and the permissions that are delegated to the customer. A service plan is defined by the Exchange Labs partner (such as Microsoft Liveedu))