1. Property Description: Details about the property type and size, used when the letter serves for official or insurance purposes

2. Additional Occupants: List of other authorized occupants, needed when multiple people are living in the property

3. Rent Confirmation: Details about rent payments and terms, included when the letter is needed for financial or visa purposes

4. Good Standing Statement: Confirmation that the tenant is in good standing, useful for tenant references

5. Registration Purpose: Specific statement that the letter is for registration with local authorities (Einwohnermeldeamt)

1. Copy of Rental Agreement: Attached when the confirmation letter needs to reference specific terms from the main lease

2. Floor Plan: Required in some jurisdictions for registration purposes, showing the specific unit being rented

3. Property Photos: Visual documentation of the property, sometimes required for insurance or official purposes

4. Proof of Ownership: Copy of property title or similar document proving the writer's authority to confirm tenancy