Sub Rate Schedules and Primary Rate Schedules Have Similar Features
Most of the rich functionality described above is shared by both sub rate schedules and primary rate schedules. The following points highlight the major differences:
• Only primary rate schedules can be referenced on a customer's service agreement and on an adjustment type's generation algorithm.
• Only primary rate schedules can reference sub rate schedules.
• Sub rate schedules cannot reference a service type, a currency code, the allow estimates indicator, register rules or valid meter configurations. This is because these attributes are defined for the primary rate schedule used to drive the calculation.
• When charges are calculated for a primary rate schedule's sub rate schedules, the primary rate schedule's
frequency is used. This allows a single sub rate schedule to be referenced on any primary rate schedule regardless of the primary rate schedule's frequency. This means that sub rate schedules do not reference a frequency.
• Because sub rate schedules inherit the frequency of the primary rate schedule at execution time,
Rate Check cannot be used to verify sub rate schedules directly. Rather, use a primary rate schedule that references the sub rate schedule on Rate Check.
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