Legal basis: Civil Code of People's Republic of China (PRC).
Article 497 A standard clause is invalid under any of the following circumstances:
(1) The provisions of Section 3 of Chapter VI in Part I of this Law and Article 506 are invalid;
(2) The party providing the standard terms unreasonably exempts or lightens its responsibilities, aggravates the responsibilities of the other party or restricts the main rights of the other party;
(3) The party providing the standard terms excludes the other party's main rights.
Article 506 The following exemption clauses in the contract are invalid:
(1) Causing personal injury to the other party;
(2) Causing property losses to the other party due to intentional or gross negligence.