Article 165.1. Legally significant messages

1. Declarations, notifications, notices, requirements or other legally relevant communications with which the law or transaction binds the civil consequences for another person shall involve that person t A communication shall be deemed to have been delivered if it has been received by the person to whom it has been sent (the address). 2. The rules of paragraph 1 of this article shall apply unless otherwise provided by law or by the terms of the transaction. It is either not a matter of custom or practice established in the relations of the parties.