> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abbyy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# VolumeRefreshingPeriodEnum

VolumeRefreshingPeriodEnum enumeration constants are used to denote the period during which the ABBYY FineReader Engine license limits the number of the recognition and export operations.

<Note>
  ABBYY FineReader Engine licenses use UTC time standard.
</Note>

```
typedef enum {
 VRP_Day,
 VRP_Week,
 VRP_Month,
 VRP_Quarter,
 VRP_HalfYear,
 VRP_Year,
 VRP_Infinite,
 VRP_AbsoluteMonth,
 VRP_AbsoluteYear
} VolumeRefreshingPeriodEnum;
```

## Elements

| Name                 | Description                                                                                 |
| -------------------- | ------------------------------------------------------------------------------------------- |
| VRP\\\_AbsoluteMonth | The remaining units counter is refreshed at the beginning of the specific day of the month. |
| VRP\\\_AbsoluteYear  | The remaining units counter is refreshed at the beginning of the specific day of the year.  |
| VRP\\\_Day           | The remaining units counter is refreshed at the beginning of each day.                      |
| VRP\\\_HalfYear      | The remaining units counter is refreshed at the beginning of each half a year.              |
| VRP\\\_Infinite      | The remaining units counter is never refreshed.                                             |
| VRP\\\_Month         | The remaining units counter is refreshed at the beginning of each month.                    |
| VRP\\\_Quarter       | The remaining units counter is refreshed at the beginning of each quarter.                  |
| VRP\\\_Week          | The remaining units counter is refreshed at the beginning of each week.                     |
| VRP\\\_Year          | The remaining units counter is refreshed at the beginning of each year.                     |

## Used in

[ILicense::VolumeRefreshingPeriod](/fine-reader/engine/api-reference/license-related-objects/license/volumerefreshingperiod-property)