1. Reason for Termination: Required if landlord is terminating; must state legitimate interest as per BGB §573. Optional for tenant termination.

2. Reference to Lease Agreement: Details of the original lease agreement including date and parties, if relevant

3. Previous Correspondence: Reference to any relevant previous communications, if applicable

4. Forwarding Address: New address for tenant if they are the terminating party

5. Security Deposit Return: Request for return of security deposit, typically included in tenant terminations

6. Hardship Circumstances: If applicable, mention of any special circumstances that might affect the termination

1. Proof of Legitimate Interest: Documentation supporting landlord's reason for termination (if landlord termination)

2. Previous Notices: Copies of any relevant warning notices or previous correspondence

3. Power of Attorney: If notice is being given by an authorized representative

4. Proof of Service: Documentation of how and when the notice was delivered to the other party