We need at least 24 hours' notice of cancellation.

如欲取消，请至少提前24小时告知。

《牛津词典》

The insured must be given at least 10 days' notice of cancellation.

取消保险必须给被保险人至少十天的事先通知。

《柯林斯英汉双解大词典》

Notice of cancellation of screening!

取消放映启示请注意！

youdao

In the face of airline consolidation and declining service, including the cancellation of routes at short notice and interrupted schedules, business aviation is now being seen for what it truly is: a significant tool for growth.

ECONOMIST: Bush fire

The big gripe for travelers is that airlines give very little notice when accounts are in danger of cancellation.

WSJ: Saving Frequent-Flier Miles From the Ax

On Wednesday, just one week after the SAT cancellation notice in South Korea, 36 people were charged for illegal filming of English proficiency exams with spy cameras or for ordering the service, according to the Seoul Central District Prosecutors' Office.

WSJ: SAT Scandal Shines Harsh Light on South Korean Academics