If your marine toilet has a Y valve what must you do and In a no discharge zone?

In a no discharge zone, you must ensure that the Y valve on your marine toilet is set to the holding tank position, preventing any discharge of sewage overboard. This is crucial for complying with environmental regulations and protecting marine life. Regularly check the valve to ensure it remains in the correct position while in these zones. Additionally, it's a good practice to familiarize yourself with local regulations regarding discharge and holding tank management.