How should we proceed to inform the sublocation code to file eHBL for air freight shipments which we usually receive it once it's checked in?

How should we proceed to inform the sublocation code to file eHBL for air freight shipments which we usually receive it once it's checked in?

The CBSA lists all of the sufferance warehouses in Canada with the corresponding sublocation codes. Normally you would know which ground handler/ warehouse handles that airline and so should be able to ascertain the sublocation code in advance. Please check Sufferance warehouse operators and sublocation codes