Any matter relating to price or scope must be set forth in a written document signed by both parties.
Any change in the VAT rate or the introduction of a new tax based on the price of services shall take effect without requiring an amendment to the contract, provided that notice is given promptly. The agreed-upon prices excluding tax shall remain unaffected.
Updated as of July 27, 2026. Describes the concierge service contract, Version 4. The contract and its appendices take precedence over this content, which is provided for educational purposes only.