The following is a notice from CBSA:

On behalf of the CBSA, Commercial Operations District in the GTA Region, this letter is to inform you that the CBSA office located at 1 Front Street West, Toronto, Ontario will be closing on September 2, 2016 at the close of business.

At this time, I ask that you prepare to transition your business to our Mississauga office located at:

Toronto Pearson International Airport (TPIA)
Commercial Operations District
Cargo 3
2720 Britannia Road East,
Mississauga, Ontario
L5P 1A2
(905) 676-3626

The Mississauga location operates 24 hours a day, 7 days a week and will provide the same commercial and personal entry processing services as received at 1 Front Street West, Toronto, ON.

Should you require additional information regarding this matter, please contact Superintendent Beverley Jefferies at (905) 676-5542.