French phrase
Jusqu'à quand est valable ~ ?
Meaning
Until when is ___ valid?
When to use it
A question about when something stops being valid. It checks the expiration of an offer or service and is normally polite.
Example dialogue
Jusqu'à quand est valable cette offre ?
Until when is this offer valid?
Elle est valable jusqu'à la fin du mois.
It is valid until the end of the month.