The following acts (excluding acts concerning the provision of security or extinguishment of debt) may be avoided in the interest of the bankruptcy estate after the commencement of bankruptcy proceedings:
次に掲げる行為（担保の供与又は債務の消滅に関する行為を除く。）は、破産手続開始後、破産財団のために否認することができる。
an act conducted by the bankrupt with the knowledge that it would prejudice bankruptcy creditors; provided, however, that this does not apply when the person that has benefited from the act did not know at the time of the act that it would prejudice a bankruptcy creditor; or
an act that would prejudice bankruptcy creditors conducted by the bankrupt after the suspension of payments or filing of a petition to commence bankruptcy proceedings (referred to below as "suspension of payments, etc." in this Section) has taken place; provided, however, that this does not apply when the person that has benefited from the act did not know at the time of the act that the suspension of payments, etc. had taken place nor that the act would prejudice a bankruptcy creditor.
With respect to an act concerning the extinguishment of debt conducted by the bankrupt, if the value of the performance received by the creditor exceeds the amount of the debt extinguished by the act, and the act satisfies any of the requirements stated in the items of the preceding paragraph, the act may be avoided in the interest of the bankruptcy estate after the commencement of bankruptcy proceedings only with regard to the part other than the part equivalent to the amount of the extinguished debt.
A gratuitous act or an onerous act that should be deemed to be equivalent to a gratuitous act conducted by the bankrupt after or within six months prior to the suspension of payments, etc. may be avoided in the interest of the bankruptcy estate after the commencement of bankruptcy proceedings.
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