French phrase
En cas de ~, faites ~.
Meaning
In the event of ___, please ___.
When to use it
Gives formal instructions for unexpected situations. Common in workplace procedures and reporting.
Example dialogue
En cas de fuite de données, faites un rapport immédiat.
In the event of a data breach, please file an immediate report.
Compris, je le fais tout de suite.
Understood, I'll do it right away.