From October 30, 2023, through January 14, 2024, a Peak-Season surcharge will apply to all Canada Post parcels requiring special handling or oversized parcels.

Type of Surcharge
Additional Handling
$30 per item
Oversized (Out-of-Spec)
$400 per item

Each carrier has specific criteria for special handling, large package and over max.  Please see the definitions below for Canada Post: 

Special Handling - Items not fully encased in corrugated cardboard or approved packaging

Out of Spec (Oversized) - Has any dimension exceeding 1 m (39.4 inches) and Measures more than 76 cm (30 inches) along its second longest side