Do I clear US customs in Toronto?

Related questions

1. Is WestJet at Terminal 3 in Toronto?
2. Is Toronto Airport Busy?
3. How long does it take to get off a plane and through customs?
4. Why is Toronto airport called Pearson?
5. How long does it take to go through customs Canada?
6. What time does customs close at YYZ?
7. How early do I need to be at Pearson for an international flight?
8. How do you get priority on WestJet?
9. Does Canada accept global entry?
10. Is t2 domestic or international?

Tags

1. #border
2. #protection
3. #pearson
4. #customs
5. #airport
6. #immigration
7. #travellers
8. #their
9. #before
10. #boarding
11. #flight
12. #clear