French phrase
Comment annuler mon inscription à ~ ?
Meaning
How can I cancel my registration for ___?
When to use it
A request to cancel registration in a program. Neutral and suitable for asking about the required procedure.
Example dialogue
Comment annuler mon inscription à ce programme d'échange ?
How can I cancel my registration for this exchange program?
Il faut remplir le formulaire en ligne et prévenir le coordinateur.
You need to fill out the online form and notify the coordinator.