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TIM Enterprise allows complete flexibility in the way you can select your Billing Periods.
You have three types of period to select from. These are:
- Preset period
- Last period
- Custom period
Preset period
The standard Preset periods are shown below and can be selected from this simple drop-down list.
![Preset period](http://www.tri-line.com/common/img/documentation/tim_enterprise/preset_period.png)
![]() | NOTE: We define last week from the pre-set periods as Sun-Sat of the previous week and last 7 days as the preceding 7 days. |
Last period
The last period allows complete flexibility, e.g. last 3 hours, last 7 days, last 2 quarters.
![Last period](http://www.tri-line.com/common/img/documentation/tim_enterprise/last_period.png)
![]() | NOTE: We define last week from the pre-set periods as Sun-Sat of the previous week and last 7 days as the preceding 7 days. |
Custom period
The user defined custom period allows the user to define the exact date and time that the report is required 'From' and 'To'.
![Custom period](http://www.tri-line.com/common/img/documentation/tim_enterprise/custom_period.png)
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