The following is available in its entirety on the Canada Border Services Agency website.
CN 15-027, Mandatory electronic notification of conveyance arrival (air, marine and rail)
1. This notice replaces Customs Notice 15-019. It provides new information regarding the timeframes for when penalties may apply for failure to transmit electronic conveyance arrival messages in the air, marine and rail modes.
2. The purpose of this notice is to inform carriers operating air, marine, and rail conveyances that the requirement for electronic Conveyance Arrival Certification Messages (CACM) became mandatory on May 6, 2015 under amendments to the Reporting of Imported Goods Regulations.
3. This mandatory requirement applies to air, marine, and rail carriers who operate conveyances arriving in Canada from a foreign country and must report to the Canada Border Services Agency (CBSA) under Section 12(1) of the Customs Act.