Customs Self-Assessment Program

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Participating importers can significantly reduce the cost of doing business with the CBSA.

Importers can use their own business systems and processes, which must meet the CBSA's requirements, to forward trade data, as well as to report and pay duty and taxes. This self-assessment option represents significant cost savings because importers no longer have to send payment at the time of each shipment.


The CSA program provides many benefits to participating importers:


Importers eligible to apply to the CSA program must meet these requirements:

Residency requirements

Legislative requirements

Operational requirements

Application process

There is a two-part application and approval process for importers.

Part I: Risk assessment

Importers must provide detailed information such as the following:

Part II: Books, records and business systems

Importers must demonstrate that their books, records and business systems have, or will have, the necessary internal controls and procedures, including linkages, controls and audit trails, to support CSA program requirements such as the following:

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Tips and tools

Customs Interest Calculation Program
Calculates daily specified, daily prescribed and monthly prescribed interest on customs transactions.

Approved CSA importers are responsible for their self-assessment and for reporting related revenues to the CBSA via the CARM Client Portal.

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