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1. Parties: Identification of landlord and tenant with full legal names and addresses

2. Background: Reference to original lease agreement, its date, and current expiration date

3. Definitions: Key terms used in the agreement, including references to defined terms from the original lease that remain applicable

4. Term of Renewal: Specific period of the lease extension, including start and end dates

5. Rent: Updated rental amount, payment terms, and schedule in compliance with German rent control regulations

6. Confirmation of Existing Terms: Statement confirming which terms from the original lease remain in effect

7. Modified Terms: Clear specification of any terms that are being changed from the original lease

8. Operating Costs (Betriebskosten): Updated allocation of operating costs and utilities in accordance with Betriebskostenverordnung

9. Signatures: Execution section with date and signature blocks for all parties

1. Schedule 1 - Rent Calculation: Detailed breakdown of rent calculation including any increases in accordance with local rent index

2. Schedule 2 - Operating Costs Breakdown: Itemized list of operating costs and their allocation between parties

3. Schedule 3 - Property Condition Report: Updated documentation of property condition at renewal

4. Schedule 4 - House Rules: Current version of applicable house rules (Hausordnung)

5. Appendix A - Energy Performance Certificate: Current energy performance certificate if updated since original lease

6. Appendix B - Maintenance Schedule: Schedule of agreed maintenance and repair responsibilities