Notwithstanding the provisions of Article 121-2, paragraph (1) of the Civil Code, a consumer who has received payment in performance of an obligation under a consumer contract is obliged to refund the payment to the extent actually enriched by the consumer contract, if the consumer has rescinded the manifestation of an intention to be bound by the offer of a consumer contract or by the acceptance of such an offer pursuant to the provisions of Article 4, paragraphs (1) through (4), and if, at the time of receiving the payment, the consumer did not know that the manifestation of the intention to be bound was rescindable.
民法第百二十一条の二第一項の規定にかかわらず、消費者契約に基づく債務の履行として給付を受けた消費者は、第四条第一項から第四項までの規定により当該消費者契約の申込み又はその承諾の意思表示を取り消した場合において、給付を受けた当時その意思表示が取り消すことができるものであることを知らなかったときは、当該消費者契約によって現に利益を受けている限度において、返還の義務を負う。