French phrase
Oui, j'ai quelque chose à déclarer.
Meaning
Yes, I have something to declare.
When to use it
States that the speaker has something to declare. Common at customs or immigration, with a polite, somewhat formal tone.
Example dialogue
Avez-vous quelque chose à déclarer ?
Do you have anything to declare?
Oui, j'ai quelque chose à déclarer.
Yes, I have something to declare.