##### Periodic service link

Service link of this type has the following parameters:

- Name of the service (read-only parameter).
- Accounting period to which the service link refers.
- Start date since when the service is provided to the user.
- End date when the service ceases to be provided and the service link is removed.
- Charge policy. One can select a charge policy to apply to the service link. Press to see the chosen charge policy parameters.

- Charged the amount of all charges applied to user’s account during the current accounting period. Press to see the details.

- Cost, % is the actual cost of the service for this particular user. It is specified in percents relative to the base cost of the service, and may be altered arbitrarily. This affects only the periodic component of the service cost.

| Correction is made at the end of a service period and it uses the value of the filed by the end of the period

Parameters of the service itself are described in Periodic service.