based on a third person’s fraudulent act and is against the other party’s true inten on, the defrauded party has the right to request the people’s court or an arbitra on ins tu on to revoke the civil juris c act. Ar cle 150 Where a party performs a civil juris c act against its true inten on owing to duress of the other party or a third person, the coerced party has the right to request the people’s court or an arbitra on ins tu on to revoke the civil juris c act. Ar cle 151 In situa ons such as where one party takes advantage of the other party that is in a desperate situa on or lacks the ability of making judgment, and as a result the civil juris c act thus performed is obviously unfair, the damaged party is en tled to request the people’s court or an arbitra on ins tu on to revoke the act. Ar cle 152 A party’s right to revoke a civil juris c act is ex nguished under any of the following circumstances: (1) the party has failed to exercise the right to revoca on within one year from the date when it knows or should have known of the cause for revoca on, or within 90 days from the date when the party who has performed the act with serious misunderstanding knows or should have known of the cause for revoca on; (2) the party ac ng under duress has failed to exercise the right to revoca on within one year from the date when the duress ceases; or (3) the party who becomes aware of the cause for revoca on waives the right to revoca on expressly or through its own conduct. The right to revoca on is ex nguished if the party fails to exercise it within ve years from the date when the civil juris c act has been performed. Ar cle 153 A civil juris c act in viola on of the mandatory provisions of laws or administra ve regula ons is void, unless such mandatory provisions do not lead to invalidity of such a civil juris c act. A civil juris c act that o ends the public order or good morals is void. Ar cle 154 A civil juris c act is void if it is conducted through malicious collusion between a person who performs the act and a counterparty thereof and thus harms the lawful rights and interests of another person. Ar cle 155 A void or revoked civil juris c act does not have any legal force ab ini o. Ar cle 156 If invalida on of a part of a civil juris c act does not a ect the validity of the other part, the other part of the act remains valid. Ar cle 157 Where a civil juris c act is void, revoked, or is determined to have no legal e ect, the property thus obtained by a person as a result of the act shall be returned, or compensa on be made based on the appraised value of the property if it is impossible or unnecessary to return the property. Unless otherwise provided by law, the loss thus incurred upon the other party shall be compensated by the party at fault, or, if both par es are at fault, by the par es propor onally. Sec on 4 A Civil Juris c Act Subject to a Condi on or a Term Ar cle 158 A condi on may be a ached to a civil juris c act unless the nature of the act denies such an a achment. A civil juris c act subject to a condi on precedent becomes e ec ve when the condi on is ful lled. A civil juris c act subject to a condi on subsequent becomes invalid when the condi on is ful lled. Ar cle 159 Where a condi on is a ached to a civil juris c act, if a party, for the sake of its own interests, improperly obstructs the ful llment of the condi on, the condi on is deemed as having been ful lled; if a party improperly facilitates the ful llment of the condi on, the condi on is deemed as not having been ful lled. ti fi ti ti ti ti ti fi ti ti ti ti ti ff ti ti ti ti ti ti fi ff ti ti ti ti ff ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti tt fi tt ti fi ti ti ti ff ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti ti fi ti fi tt 19