1. Condition of Sale Object: Detailed description of the object's condition, particularly relevant for used items

2. Due Diligence: Include when buyer needs to verify certain aspects of the sale object

3. Security Interests: Required when there are existing liens or encumbrances on the sale object

4. Insurance: Include when specifying responsibility for insurance during transit or before complete payment

5. Confidentiality: Include for sales involving sensitive information or trade secrets

6. Force Majeure: Include when delivery times are critical or for international sales

7. Right of Withdrawal: Mandatory for consumer contracts (Widerrufsrecht)

8. Intellectual Property: Include when the sale involves items with associated IP rights

1. Technical Description: Detailed technical specifications or characteristics of the sale object

2. Inventory List: When multiple items are being sold, listing all items with descriptions

3. Payment Schedule: If payment is to be made in installments, detailing the payment plan

4. Condition Report: Detailed report of the current condition, especially for used items

5. Documentation: List of documents to be transferred with the sale object (manuals, certificates, etc.)

6. Photographs: Visual documentation of the sale object

7. Existing Warranties: Copies of manufacturer warranties or other existing guarantees