In most situations, couriers cost their services by package weight or size, whichever is much larger. This is certainly calculated using a calculation which is referred to as 'Volumetric Bodyweight'. The CETA region of origin declaration has a specific wording, and that is reasonably uncomplicated (Verify with up-to-date regulations https://joann530jry7.activablog.com/27694383/not-known-factual-statements-about-shipping-from-canada-to-belgium