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Article 523Offers That Specify Period for Acceptance

第五百二十三条(承諾の期間の定めのある申込み)

An offer which specifies a period for acceptance may not be withdrawn; provided, however, that this does not apply if the offeror reserves the right to withdraw.

承諾の期間を定めてした申込みは、撤回することができない。ただし、申込者が撤回をする権利を留保したときは、この限りでない。

If an offeror does not receive notice of acceptance of the offer referred to in the preceding paragraph within the period referred to in that paragraph, the offer ceases to be effective.

申込者が前項の申込みに対して同項の期間内に承諾の通知を受けなかったときは、その申込みは、その効力を失う。

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