A person that uses or profits from a building subject to a mortgage by virtue of a lease that cannot be duly asserted against the mortgagee, and that is stated as follows (in the following paragraph referred to as "mortgaged building user") is not required to deliver that building to the purchaser of that building until six months have passed from the time when the purchaser purchased that building at auction:
抵当権者に対抗することができない賃貸借により抵当権の目的である建物の使用又は収益をする者であって次に掲げるもの（次項において「抵当建物使用者」という。）は、その建物の競売における買受人の買受けの時から六箇月を経過するまでは、その建物を買受人に引き渡すことを要しない。
a person that has been using or profiting from the building since before the commencement of auction procedures; or
競売手続の開始前から使用又は収益をする者
a person that is using or profiting from the building by virtue of a lease given after the commencement of auction procedures by the administrator of compulsory administration or enforcement against earnings from secured immovable property.
強制管理又は担保不動産収益執行の管理人が競売手続の開始後にした賃貸借により使用又は収益をする者
The provisions of the preceding paragraph do not apply if the purchaser, specifying a reasonable period of time, issues a notice to the mortgaged building user demanding payment of consideration for a period of one month or more with respect to the use of the building referred to in that paragraph that has been made after the time of purchase by the purchaser, and no payment is made within that reasonable period of time.