Page:The Civil code of Japan (IA cu31924069576704).pdf/245
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857.
If the adoption is contrary to the provisions of Arts. 844–846, any person whose consent was necessary for the adoption may apply to the court for its cancellation. The same applies, if the consent has been obtained by fraud or coërcion.
The provisions of Art. 784 apply correspondingly to the case mentioned in the preceding paragraph.
858.
In the case of the adoption of a mukoyōshi any of the parties concerned may apply to the court for the cancellation of the adoption on the ground of the invalidity or cancellation of the marriage. But this does not affect the right to join the application for the cancellation of the adoption with the application to have the marriage declared invalid or cancelled.
In the foregoing case the right to apply for the cancellation of the adoption ceases after six months from the time when the party concerned had notice of the invalidity or cancellation of the marriage, or if he has renounced his right.
859.
The provisions of Arts. 785 and 787 apply correspondingly to adoption; except that the period limited in Art. 785, 2 shall be six months.