> ## 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 in the ABBYY FineReader Engine API — Periods over which the FineReader Engine license limits recognition and export operations; uses UTC.

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)