French phrase
Quelle est la procédure en cas de ~ ?
Meaning
What is the procedure in case of ___?
When to use it
It asks what steps to follow when something happens. It is a polite way to ask about procedures in emergencies or other problems.
Example dialogue
Quelle est la procédure en cas de perte de mon passeport ?
What is the procedure in case of losing my passport?
Il faut déclarer la perte et demander un passeport d'urgence au consulat.
You need to report the loss and apply for an emergency passport at the consulate.