2. Based on the principles of fairness, honesty and credit, public order and good customs, it is the basic premise for the exemption clause to take legal effect.
3. It is the basic goal of the parties to express the content of the exemption clause in clear and definite words.
4. If an exemption clause is stipulated in the format contract, the other party shall take the initiative to draw attention to the existence of the clause.
Legal basis: Article 469 of the Civil Code of People's Republic of China (PRC), the parties may conclude a contract in written form, orally or in other forms. Written form refers to contracts, letters, telegrams, telexes, faxes and other forms that can tangibly express the contents contained. A data message that can tangibly express its content through electronic data interchange, e-mail, etc. , and can be retrieved at any time, are considered in writing.