French phrase
Un tiers peut-il ~ ?
Meaning
May a third party ___?
When to use it
It asks whether a third party may take an action. It is a polite way to request or confirm permission.
Example dialogue
Le colis est arrivé, mais Marie est absente.
The package has arrived, but Marie is absent.
Un tiers peut-il venir chercher le colis ?
May a third party come and pick up the package?