> ## 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.

# MAS support

export const productName = "Atoti FRTB";

The Monetary Authority of Singapore (MAS) has set out their requirements for FRTB in
**[MAS Notice 637](https://www.mas.gov.sg/regulation/notices/notice-637)–Risk Based Capital Adequacy Requirements**,
published September 2023.
Full capital adequacy and disclosure requirements have been effective since January 2025.

{productName} contains a "MAS" parameter set that configures the calculations to be compatible with Notice 637.
The parameter set is defined in the `configuration/MAS` directory.

## Differences with BCBS

| Parameter                            | BCBS value | MAS value | BCBS reference | MAS reference | Description                                                                                              |
| ------------------------------------ | ---------- | --------- | -------------- | ------------- | -------------------------------------------------------------------------------------------------------- |
| `sa.fx.reporting-currency`           |            | `SGD`     |                |               | The reporting currency is set to Singapore Dollar (SGD).                                                 |
| `sa.girr.major-ccy-adjustment`       | `true`     | `true`    | MAR 21.44      | 8.2.92        | Dividing the risk-weights for major currencies by √2 is optional for BCBS and mandatory for MAS.         |
| `sa.girr.inflation-basis-adjustment` | `true`     | `false`   | MAR 21.44      | 8.2.92        | The risk-weights for inflation and cross-currency basis curves are not divided by √2.                    |
| `sa.fx.major-ccy-adjustment`         | `true`     | `true`    | MAR 21.88      | 8.2.140       | Dividing the risk-weights for specified currency pairs by √2 is optional for BCBS and mandatory for MAS. |
| `sa.fx.use.fx-divider`               | `true`     | `true`    | MAR 21.98      | 8.2.152       | Dividing the qualifying CVR values by 1.5 is optional for BCBS and mandatory for MAS.                    |