Here you can send us your Termination Notice in the case you want to leave the Apartment. This has to be prio 3 Months prior to your Moving-Out-Date at the 3rd of the Month at the latest. (Example: Send this Termination notice on 03.01.2025 to Move-Out at 30.03.2025).
And remember, that the Deposit is paid back from 3-6 Months.