EDI/Portal clients
Contact list

Technical Commercial Client Unit

The Technical Commercial Client Unit is your primary point of contact for most issues involving the transmission of commercial electronic data.

  •  Business hours
    • Monday to Friday (except holidays)
    • 8 am to 5 pm (Eastern time)
  •  EDI/Portal services
    • Refer to our Services document to find out more about support provided during and after business hours.
  •  Telephone:
    • Canada and the United States: 1-888-957-7224
      • Option 1 for EDI transactions
      • Option 2 for technical portal assistance
    • Overseas: 613-946-0762
  •  Email: tccu-ustcc@cbsa-asfc.gc.ca (for non-urgent correspondence only)
  •  Mailing address:
    • Canada Border Services Agency
      355 N River Rd 6th Flr Tower B
      Ottawa ON  K1A 0L8

CARM client support

Contact the CBSA Assessment and Revenue Management (CARM) Client Support Helpdesk (CCSH) if you are a current importer, customs broker or trade consultant and need support with:

  • accessing the CARM Client Portal
  • issues related to your payment processing, payment allocation, clearing, offsetting and reconciling
  • disbursement and collection activities
  •  Contact us online:
  •  Telephone :
    • Call 1-800-461-9999 (press 2) if you are experiencing any difficulties using the form
  •  Hours of operation:
    • Monday to Friday, 7 am to 8 pm ET

Other CBSA contacts

Issue Contact information and/or web page
General inquiries not related to EDI or Portal  Border Information Service (BIS)
Apply for a carrier or freight forwarder code

 Air, rail carriers and freight forwarders

 Highway carriers

 Marine carriers

 Contact information

Apply for a eManifest Portal Shared Secret

 Service is available Monday to Friday, from to (Eastern time), except holidays.

 Shared Secret

 Email: carrier-cargo@cbsa-asfc.gc.ca

Inquiries on eManifest policy or operations

 Service is available Monday to Friday, from to (Eastern time), except holidays.

 eManifest Help Desk: emanifest-manifeste_electronique@cbsa-asfc.gc.ca

Apply for a penalty waiver: Electronic B3s

For an overdue Customs Automated Data Exchange / Customs Declaration (CADEX/CUSDEC) B3, complete the online form or send a fax containing your contact information, details of the electronic B3 transaction and the reason the penalty should be waived to the Recourse Directorate.

 Fax: 343-291-7239

Daily Notices (DNs) and Statements of Accounts (SOAs)

 Daily Notices and Statement of Accounts

 Client support contact form

'Do Not Load' and 'Hold' messages for marine and air shipments

Contact the National Targetting Centre (NTC)

 1-855-NTC-1CNC (1-855-682-1262).

Single Window Initiative (SWI) Integrated Import Declaration (IID)  Single Window Initiative
Inquiries on the Canadian Export Reporting System (CERS)  Guide to exporting commercial goods from Canada

 Email: tccu-ustcc@cbsa-asfc.gc.ca

Other contacts

Business number

Register for a Business Number or ask questions regarding your existing number.

 Telephone: 1-800-959-5525

 Registering your business

CFIA Reject messages

Information on Reject messages originating from goods regulated by the Canadian Food Inspection Agency (CFIA)

 Hours: 7 am to 3 am (Eastern time)

 Telephone (Canada and the United States): 1-800-835-4486

 Telephone (local and international calls): 1-289-247-4099

 Facsimile : 613-773-9999

 Other Government Department (OGD) Single Window Interface.


Questions on permits issued by Global Affairs Canada for electronic releases.

 Telephone (Canada and the United States): 1-877-808-8838

 Telephone (local and international calls): 613-944-2165

 Email: eics.scei@international.gc.ca

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