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(社員であると誤認させる行為をした者の責任)
第五百八十九条   合名会社又は合資会社の社員でない者が自己を無限責任社員であると誤認させる行為をしたときは、当該社員でない者は、その誤認に基づいて合名会社又は合資会社と取引をした者に対し、無限責任社員と同一の責任を負う。

Responsibility for Acts Mistaken as Acts of Members
Article 589   If a person who is neither a member of a General Partnership Company nor Limited Partnership Company engages in an act that causes such person to be mistaken as a member with unlimited liability, such person assumes the same liability as that assumed by a member with unlimited liability in relation to persons who transact with the General Partnership Company or Limited Partnership Company on the bases of such mistaken belief.

合資会社又は合同会社の社員でない者が自己を有限責任社員であると誤認させる行為をしたときは、当該社員でない者は、その誤認に基づいて合資会社又は合同会社と取引をした者に対し、その誤認させた責任の範囲内で当該合資会社又は合同会社の債務を弁済する責任を負う。

If a person who is a member in neither a Limited Partnership Company nor Limited Liability Company engages in an act that causes such person to be mistaken as a member with limited liability, such person assumes liability to perform the obligations of such Limited Partnership Company or Limited Liability Company in relation to persons who transact with the Limited Partnership Company or Limited Liability Company on the bases of such mistaken belief the to the extent of the liability so mistaken.