Japanese Civil Code - 1898

1017.

An heir must within a period of three months after he has notice that succession in his favour has occurred accept it absolutely or qualifiedly or refuse it. Such period, however, may be extended by the court on the application of a person interested or of the public procurator. The heir has a right to investigate the condition of the estate before accepting or refusing the succession.


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1023.

If the heir accepts absolutely, he succeeds to the rights and duties of the ancestor without limitation.