The validity period is indispensable to a firm offer, that remains valid until a stipulated time or until it is accepted or rejected.

有效期对于确盘是必不可少的，在规定的时间之前或在被对方接受或拒绝之前确盘一直是有效的。

youdao

If the law has not stipulated a time limitation of arbitration, the provisions on the limitation of actions shall apply.

法律对仲裁时效没有规定的，适用诉讼时效的规定。

youdao

A. If it does not provide the leased property at the time stipulated in the contract, it shall pay breach of contract damages.

未按合同规定的时间提供出租财产，应偿付违约金。

youdao

For reasons that were never entirely clear, the Obama FCC granted frequency to LightSquared that had originally been designated for satellite use but only if they could overcome the technical issues of interference and if they could bring their network offering on line within a stipulated time frame.

FORBES: Lights Out As LightSquared Files For Bankruptcy

But while Obama has stipulated that the US can have only one president at a time, his aides and advisers are signaling that he intends to move US foreign policy in a sharply different direction from its current trajectory once he assumes office.

CENTERFORSECURITYPOLICY: The perils ahead

It stipulated that for however long a soldier is deployed in Iraq, he or she be given that much time at home before the next deployment.

NPR: Senate GOP Blocks Military Leave Proposal