French phrase
Veuillez répondre avant le ~.
Meaning
Please reply by ___.
When to use it
A polite request for a reply by a specified deadline. Common in emails and business notices.
Example dialogue
Quelle est la date limite pour la confirmation ?
What is the deadline for confirmation?
Veuillez répondre avant le 31 mars à 17h.
Please reply by March 31 at 5:00 p.m.