The new refund policy has been operant since January, so please inform all customers.

新的退款政策自一月起已生效,請通知所有客戶。

Our shipping discount remains operant only for orders placed before the end of the month.

我們的運費折扣僅對月底前下的訂單有效。

Finance confirmed that the revised expense rules are fully operant across all regional offices.

財務部確認修訂後的費用規定已在所有區域辦公室全面生效。