【正文】 (iii) by law.Article 80 Duty to Notify When Assigning Rights。 ExceptionsThe obligee may assign its rights under a contract in whole or in part to a third person, except where such assignment is prohibited:(i) in light of the nature of the contract。 LimitationWhere the obligor delayed in exercising its creditors right against a third person that was due, thereby harming the obligee, the obligee may petition the Peoples Court for subrogation, except where such creditors right is exclusively personal to the obligor.The scope of subrogation is limited to the extent of the obligees right to performance. The necessary expenses for subrogation by the obligee shall be borne by the obligor.Article 74 Obligees Right to Cancel Manifestly Unreasonable Act by ObligorWhere the obligor waived its creditors right against a third person that was due or assigned its property without reward, thereby harming the obligee, the obligee may petition the Peoples Court for cancellation of the obligors act. Where the obligor assigned its property at a low price which is manifestly unreasonable, thereby harming the obligee, and the assignee was aware of the situation, the obligee may also petition the Peoples Court for cancellation of the obligors act.The scope of cancellation right is limited to the extent of the obligees right to performance. The necessary expenses for the obligees exercise of its cancellation right shall be borne by the obligor.Article 75 Time Limit for Exercising Obligees Cancellation RightThe obligees cancellation right shall be exercised within one year, mencing on the date when it became, or should have bee, aware of the cause for cancellation. Such cancellation right is extinguished if not exercised within five years, mencing on the date of occurrence of the obligors act.Article 76 A Partys Internal Change Not Excuse for NonperformanceOnce a contract bees effective, a party may not refuse to perform its obligations thereunder on grounds of any change in its name or change of its legal representative, person in charge, or the person handling the contract.Chapter Five Amendment and Assignment of ContractsArticle 77 Amendment。 ExceptionThe obligee may reject the obligors early performance, except where such early performance does not harm the obligees interests.Any additional expense incurred by the obligee due to the obligors early performance shall be borne by the obligor.Article 72 Right to Reject Partial Performance。(iv) It is in any other circumstance which will or may cause it to lose its ability to perform.Where a party suspends performance without conclusive evidence, it shall be liable for breach of contract.Article 69 Notification upon Suspension of Performance。(ii) It has engaged in transfer of assets or withdrawal of funds for the purpose of evading debts。(v) If the method of performance was not clearly prescribed, performance shall be rendered in a manner which is conducive to realizing the purpose of the contract。 for any other subject matter, performance shall be at the place where the obligor is located。(iii) Where the place of performance was not clearly prescribed, if the obligation is payment of money, performance shall be at the place where the payee is located。 absent any state or industry standard, performance shall be in accordance with the customary standard or any particular standard consistent with the purpose of the contract。 Supplementary AgreementIf a term such as quality, price or remuneration, or place of performance etc. was not prescribed or clearly prescribed, after the contract has taken effect, the parties may supplement it through agreement。 where restitution in kind is not possible or necessary, allowance shall be made in money based on the value of the property. The party at fault shall indemnify the other party for its loss sustained as a result. Where both parties were at fault, the parties shall bear their respective liabilities accordingly.Article 59 Remedies in Case of Collusion in Bad FaithWhere the parties colluded in bad faith, thereby harming the interests of the state, the collective or a third person, any property acquired as a result shall be turned over to the state or be returned to the collective or the third personChapter Four Performance of ContractsArticle 60 Full Performance。(ii) Upon being aware of the cause for cancellation, it waives the cancellation right by express statement or by conduct.Article 56 Effect of Invalidation or Cancellation。(ii) excluding one partys liability for property loss caused to the other party by its intentional misconduct or gross negligence.Article 54 Contract Subject to Amendment or CancellationEither of the parties may petition the Peoples Court or an arbitration institution for amendment or cancellation of a contract if:(i) the contract was concluded due to a material mistake。(iv) The contract harms public interests。(ii) The parties colluded in bad faith, thereby harming the interests of the state, the collective or any third party。 Improper Impairment or FacilitationThe parties may prescribe that effectiveness of a contract be subject to certain conditions. A contract subject to a condition precedent bees effective once such condition is satisfied. A contract subject to a condition subsequent is extinguished once such condition is satisfied.Where in order to further its own interests, a party improperly impaired the satisfaction of a condition, the condition is deemed to have been satisfied。 Liability for Disclosure or Improper UseA party may not disclose or improperly use any trade secret which it became aware of in the course of negotiating a contract, regardless of whether a contract is formed. If the party disclosed or improperly used such trade secret, thereby causing loss to the other party, it shall be liable for damages.Chapter Three Validity of ContractsArticle 44 Effectiveness of ContractA lawfully formed con