# kBUSL 1.1 License

Summary of the Kingdom Business Source License 1.1 used by Ramses contract source.

Source: https://www.ramses.xyz/docs/busl

## Kingdom Business Source License 1.1

The Ramses contract repository's canonical license is the **Kingdom Business Source License 1.1 (kBUSL 1.1)**. It is a **source-available, non-open-source license**.

> **License Text Controls**
>
> This page is a plain-language summary, not legal advice. The repository's `LICENSE.txt` and each file's SPDX identifier control. Individual files may use a different license and must be reviewed separately.

## Permitted Without a Commercial License

Subject to the complete license terms, kBUSL permits:

- Viewing and copying the source
- Modifying the source and creating derivative works
- Redistributing copies and derivative works
- Using the software for non-production purposes

Copies and derivative works must include the license text and comply with its terms.

## Restricted Use

You may not deploy or use the licensed software, or a derivative of it, in a production environment without explicit IP approval and a commercial license from the Licensor.

For this license, restricted production environments expressly include:

- Mainnets
- Testnets
- Sidechains
- Other production deployments

> **Production Deployment**
>
> Viewing, copying, modifying, and redistributing the source are not categorically prohibited. The core restriction is unapproved production deployment or use.

## Covered Source

The repository-level license applies to the licensed work, while file-level SPDX identifiers identify exceptions or separately licensed files. For example:

| File | SPDX Identifier |
| --- | --- |
| `Voter.sol` | `kBUSL-1.1` |
| `GaugeV3.sol` | `kBUSL-1.1` |
| `AutoVault.sol` | `kBUSL-1.1` |
| `FeeDistributor.sol` | `BUSL-1.1` — review its applicable license separately |

## Change Date and License

| Term | Value |
| --- | --- |
| **Change Date** | October 31, 2028 |
| **Earlier Conversion** | The fourth anniversary of a version's public release, if earlier |
| **Change License** | GNU General Public License version 2.0 or any later version |

The license does not grant rights to Ramses trademarks, service marks, or logos except where expressly permitted.

## Commercial Licensing

For production-use approval or a commercial license, contact:

- **Social Unicorn Foundation LLC**
- `management@ramses.exchange`
- [ramses.xyz](https://ramses.xyz)