Supplementary cargo data will only be required for consolidated freight remaining on board (FROB) shipments in the air and marine modes. Furthermore, all references to pre-arrival will include pre-load requirements for marine shipments where appropriate. 

For more information, please refer to Memorandum D3-3-1: Freight forwarder pre-arrival and reporting requirements, which can be found on the cbsa-asfc.gc.ca website. https://www.cbsa-asfc.gc.ca/publications/dm-md/d3/d3-3-1-eng.html

The PDF version of this document is also available https://www.cbsa-asfc.gc.ca/publications/dm-md/d3/d3-3-1-eng.pdf