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

# FX_Special_Crosses

> Reference for the FX_Special_Crosses configuration file, which identifies the currency pairs from MAR21.88 that qualify for a reduced FX delta risk weight when one leg of the pair is the reporting currency.

The **FX\_Special\_Crosses.csv** file lists the currency pairs in [MAR21.88](https://www.bis.org/basel_framework/chapter/MAR/21.htm?inforce=20230101\&published=20200327#paragraph_MAR_21_20230101_21_88).

## File format

| Field name   | Description                                                       |
| ------------ | ----------------------------------------------------------------- |
| Num          | Left-hand side of currency pair                                   |
| Den          | Right-hand side of currency pair                                  |
| Date         | The start date that the parameter takes effect                    |
| ParameterSet | The parameter set to which the parameter belongs (default = BCBS) |

## File values

| Num | Den | Date       | ParameterSet |
| --- | --- | ---------- | ------------ |
| USD | EUR | 2016-01-01 |              |
| USD | JPY | 2016-01-01 |              |
| USD | GBP | 2016-01-01 |              |
| USD | AUD | 2016-01-01 |              |
| USD | CAD | 2016-01-01 |              |
| USD | CHF | 2016-01-01 |              |
| USD | MXN | 2016-01-01 |              |
| USD | CNY | 2016-01-01 |              |
| USD | NZD | 2016-01-01 |              |
| USD | RUB | 2016-01-01 |              |
| USD | HKD | 2016-01-01 |              |
| USD | SGD | 2016-01-01 |              |
| USD | TRY | 2016-01-01 |              |
| USD | KRW | 2016-01-01 |              |
| USD | SEK | 2016-01-01 |              |
| USD | ZAR | 2016-01-01 |              |
| USD | INR | 2016-01-01 |              |
| USD | NOK | 2016-01-01 |              |
| USD | BRL | 2016-01-01 |              |