期限が

the expiration date

→ 期限
phrase Rare #30,347
the expiration date The particle が marks 期限 as the subject. The phrase is often followed by 切れる, meaning “to expire.”
JA: 期限が近づいています。
EN: The expiration date is approaching.

当選メール来ても期限が今日までかよ。

The deadline is today, even though I only just got the email saying I won?

つまり期限がきたらきれいにお支払い願います

In other words, please make sure to pay in full by the due date.

— High and Low (1963)