【正文】 s rights of the debtor are matured before or at the same time as the transferred creditor39。s rights, except for cases the accessory rights exclusively belonging to the creditor.Article 82 After a debtor has received a notice on the transfer of creditor39。s action if the debtor causes losses to the creditor by transferring its property at a low price evidently unreasonable and with awareness of the transferee.The scope for exercising the right of rescission is limited to the creditor39。s rights or transfers gratis its property and thus causes losses to the creditor, the creditor may apply to a people39。s name, except for the creditor39。s rights and thus causes losses to the creditor, the creditor may apply to a people39。s interest.Any additional expenses caused to the creditor by the debtor39。s demand for the discharge if the latter fails to meet its liabilities as contracted.Article 67 Where the parties are in debt to each other and there is a time order for them to discharge the debts, the party which is the next to discharge the debts has the right to reject the discharge demanded by the party which is the first to meet its liabilities but fails to meet them. The party which is the next to discharge the debts has also the right to reject a corresponding discharge demanded by the party which is the first to meet its liabilities but fails to meet them as contracted.Article 68 The party which ought to discharge its debts first may suspend the discharge if it has truthful evidence to prove that the other party falls under any of the following situations:(1) business operations seriously deteriorating。 and(6) in case of unclear charge for the performance, the charge shall be borne by the party fulfilling the obligations.Article 63 For a contract with the governmentset price or governmentguided price as the fulfilling price, where the government price is adjusted within the delivery period of the contract, the price at the time of delivery shall be the fulfilling price. Where an overdue delivery occurs and the price goes up at the delivery, the original price shall be the fulfilling price。 where the payment is in real estate, the contract shall be performed in the place where the real estate is located。 or(2) the party with the right to rescind waivers its right by express indication or by its own act after it was aware of the matter for the rescission.Article 56 An invalid or rescinded contract does not have legal binding force from the outset. If a part of a contract bees invalid without affecting the validity of the other parts, the other parts remain valid.Article 57 If a contract bees invalid, or is rescinded or terminated, the validity of its independently existing clauses pertaining to the settlement of disputes shall not be affected.Article 58 After a contract bees invalid or is rescinded, any property obtained under the contract shall be returned. If it is impossible or unnecessary to return the property, pensation shall be made at an estimated price. The party at fault shall pensate the other party for the loss caused by the fault. If both parties have faults, they shall bear their respective responsibilities.Article 59 If the parties impair by malicious conspiracy the interests of the State, of the collective or of a third party, the property they have thus obtained shall be returned to the State, the collective or the third party.Chapter IV Fulfillment of the ContractArticle 60 The parties shall fulfill fully their respective obligations as contracted.The parties shall observe the principle of good faith and fulfill the obligations of notification, assistance and confidentiality in accordance with the nature and aims of the contract and trade practices.Article 61 For a contract that has bee valid, where the parties have not stipulated the contents regarding quality, price or remuneration or the place of performance, or have stipulated them unclearly, the parties may supplement them by agreement。s court or an arbitration institution to alter or rescind any of the following contracts:(1) any contract which is made under substantial misunderstanding。(3) there is an attempt to conceal illegal goals under the disguise of legitimate forms。 where either party unjustifiably hastens the fulfillment of the conditions, the conditions shall be deemed as not fulfilled.Article 46 The parties may agree to attach a time limit for the entry into effect of a contract. A contract with an attached time limit for its entry into effect shall bee effective upon expiry of the time limit. A contract attached with a time limit for its termination shall lose its effect upon expiry of the time limit.Article 47 A contract entered into by a person with limited civil capacity may bee valid only after ratification by his legal agent. However, a contract of such kind which is purely profitmaking or the making of which is patible to the age, intelligence and mental health of the person concerned needs no ratification by his legal agent.The counterpart may urge the legal agent to give ratification within one month. Where the legal agent does not respond, the nonresponse shall be deemed a refusal of ratification. Pending the ratification, the bona fide counterpart has the right to rescind. The rescission shall be made by a notice.Article 48 A contract that is entered into by an actor without the right of agency, in excess of the right of agency or beyond the expiration of the right of agency, in the name of a principal and without ratification by the principal, shall have no binding force on the principal, and the actor shall bear the responsibility therefor.The counterpart may urge the principal to give ratification of the contract within one month. Where the principal does not respond, the nonresponse shall be deemed a refusal of ratification. Pending the ratification, the bona fide counterpart has the right to rescind. The rescission shall be made by a notice.Article 49