> For the complete documentation index, see [llms.txt](https://docs.yala.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yala.org/user-guide-mainnet/emergency-shutdown.md).

# Emergency Shutdown

During an emergency shutdown, creating a vault and adjusting an existing vault are disabled -only vault closure is permitted. However, BTC deposits into YBTC remain available. An emergency shutdown is triggered when the platform's Total Collateral Ratio falls below 110%.