有ゆう効こう期き限げん

noun

expiration date; validity period

Refers to the date until which something is valid, such as a credit card, medicine, coupon, or contract.

• このクーポンの有ゆう効こう期き限げんは来らい月げつまでです。

  This coupon is valid until next month.

• 薬くすりの有ゆう効こう期き限げんを確かく認にんし