The maximum units and maximum units frequency for a service offering can be configured by an administrator. These settings are used to control the number of units of a service a client can receive in a given period. For example, Jane Smith is authorized to receive 30 units of physiotherapy. The physiotherapy provider offering has a maximum units of 5 and a maximum units frequency of one week. A provider, Mark's Gym, is contracted to provide a maximum of 5 units of physiotherapy per week.