The CARM Client Portal changes the importer’s role from reviewing a broker’s customs paperwork after the fact to managing a controlled accounting workflow. A broker may still prepare and submit the Customs Accounting Declaration (CAD), but the importer’s business remains responsible for the commercial information, tax treatment, payment arrangements and supporting records behind the transaction.
That distinction matters for companies receiving freight through Pearson, distributing from Mississauga or Brampton, or managing purchasing and finance from Toronto. CARM gives those teams a direct view of customs transactions and balances. It also makes unclear ownership visible: a broker can process a file, but the importer needs an internal process for approving data, funding the account, monitoring statements and handling changes.
What changed in the accounting workflow
The CARM Client Portal is the importer-facing system for customs accounting and payment activities administered by the Canada Border Services Agency. It replaces the former approach in which many importers depended on broker records, legacy statements and indirect communication to understand what had been accounted for.
Importers who are required to account for commercial goods generally need a business account in CARM and an appropriate relationship with the customs broker or other service provider handling their transactions. The portal can provide access to accounting documents, account balances, payment functions, financial security information and transaction history. The exact screens and permissions available depend on the user’s role and account setup.
The operational change is not simply that a new portal exists. The accounting chain now has several separate ownership points:
- Commercial data: the importer supplies or validates price, currency, origin, tariff classification, quantities, freight and other information used to account for the goods.
- Customs submission: a broker may prepare and transmit the CAD under the authority granted by the importer.
- Account control: the importer monitors the resulting transaction, statement and balance in its own CARM account.
- Funding: the importer manages the payment method and makes sure duties, taxes and other amounts can be paid when due.
- Record retention: the importer keeps the source documents and evidence needed to support the declaration, corrections and internal accounting entries.
These responsibilities can be assigned to different departments, but they should not be left implicit. A customs broker does not automatically become the importer’s accounts-payable department, tax reviewer or owner of commercial master data.
How one import file should move through the process
1. Establish the importer’s CARM account and access structure
The importer’s designated business account administrator generally controls invitations, user access and delegated authorities in the portal. A practical setup separates at least three functions: users who administer access, users who review customs transactions, and users who manage payments or financial security.
Small importers may assign several functions to one person. Larger organizations often need segregation. For example, a customs specialist in Brampton may review classification and origin, while a finance user in Toronto monitors the statement and a treasury user manages the payment method. A broker can receive delegated access for agreed customs work without receiving unrestricted control over the importer’s internal payment process.
Access should be reviewed when employees change roles, when a broker relationship changes, and when a business adds another legal entity or business number. Shared logins create a weak audit trail and make it difficult to establish who approved a change.
2. Build the source file before the broker prepares the CAD
The importer’s accounting process begins before goods arrive. The source file should connect the purchase order, commercial invoice, packing information, transport documents, payment or price evidence, and any permits or origin documents to the shipment reference.
The broker uses this information to prepare the customs declaration, but the importer is the party best placed to know whether the declared value reflects the actual transaction, whether assists or royalties affect the value, whether freight has been treated consistently, and whether the goods match the stated classification and origin.
For a GTA distribution operation, this is particularly important when freight is received at or routed through a warehouse in Mississauga or Brampton and the people handling the goods are not the same people who approved the purchase. The receiving record should be capable of being matched to the customs transaction rather than treated as a separate warehouse document.
3. Review the draft or submitted accounting data
Importers and brokers should agree on when a review occurs. Depending on the arrangement, the broker may send a pre-accounting data set, a draft, or the completed transaction record. The control objective is the same: the importer should have a defined opportunity to identify errors in the information used for accounting.
Useful review fields include:
- Importer of record and business number;
- vendor, buyer and related-party information where relevant to valuation;
- tariff classification and country of origin;
- customs value, currency and valuation method;
- duties, GST and other assessed amounts;
- release and accounting references; and
- any permit, exemption, remission, surtax or special-program information affecting the transaction.
The review should be risk-based. A repeat shipment from an approved supplier may use an automated check, while a new product, changed supplier, unusual price or new origin should trigger a deeper review. CARM does not remove the need for the importer to maintain classification, valuation and origin controls.
4. Confirm the broker handoff and delegation
A customs broker generally acts on instructions and information supplied by the importer. The service agreement should state which party creates the CAD, who can amend it, who receives portal notifications, who investigates rejected or changed transactions, and how quickly the importer must respond.
The importer should also define what the broker is not authorized to do. Examples include changing a product classification without approval, accepting a valuation adjustment without commercial evidence, or selecting a payment option that the importer’s treasury team has not approved.
When a broker submits a transaction, the importer’s control does not end. The submission should be linked to the importer’s source file and later checked against the CARM accounting record and statement.
5. Manage payment and the statement as an accounting process
CARM gives the importer direct responsibility for monitoring amounts owing and the status of the account. Importers who use release-before-payment privileges generally need to maintain the required financial security and monitor whether the account remains in good standing. Payment timing and method should be owned by a named finance or treasury function, not assumed to be handled by the broker.
The statement should be treated as a customs subledger, not merely as a bill to forward to accounts payable. Finance can compare the statement with the importer’s purchase and receiving records, while customs staff investigate differences in classification, origin, value or tax treatment. A difference may represent a legitimate adjustment, a timing issue, a duplicate internal accrual or a declaration error.
A practical monthly close can include:
- download or retain the relevant CARM transaction and statement records;
- match transactions to invoices, receiving records and the broker’s file;
- identify declarations still awaiting accounting, corrections or other action;
- compare assessed duties and taxes with the internal accrual;
- review payments and outstanding balances; and
- document unresolved items, the owner and the expected resolution.
This is different from asking the broker for a month-end report. The broker’s report is useful operational evidence, but the importer’s own CARM account and accounting records are the control points.
Failure modes the portal makes easier to see
The wrong person owns portal access
If the only administrator leaves, the business may struggle to update users or delegate authority. Importers should maintain more than one appropriately controlled administrator where their continuity requirements justify it, and should document the account-recovery process.
Finance sees the balance but not the customs cause
A payment team may identify an unexpected amount without knowing whether the cause is a tariff-classification issue, a valuation change, a correction or a different shipment period. The solution is a defined escalation path connecting finance, customs, purchasing and the broker. Payment review alone cannot validate the underlying declaration.
The broker has better records than the importer
This can happen when invoices and product data are sent by email but are not retained in the importer’s central file. The importer should store the commercial evidence, broker instructions, accounting record and subsequent correspondence together under a shipment or transaction identifier.
One legal entity is confused with another
Groups operating warehouses or sales offices in Mississauga, Toronto and Brampton may use similar trading names while importing through different legal entities or business numbers. Portal access, broker delegation, purchase records and financial postings should identify the same importer of record. A location is not a substitute for the legal entity named in the customs account.
Corrections are treated as ordinary invoice differences
A change to a customs transaction can affect duties, GST, internal accruals and the evidence retained for the file. When a discrepancy is found, the importer should record what changed, why it changed, which transaction is affected, who approved the correction and how the accounting entry was updated. The broker can help determine the available customs procedure, but the importer should own the business explanation and approval.
A workable division of responsibilities
| Control area | Importer’s role | Broker’s typical role |
|---|---|---|
| Product master data | Provide and approve classification, origin, description and valuation information | Identify missing information and flag apparent customs risks |
| CAD preparation | Review agreed fields and give timely instructions | Prepare and submit the declaration under delegated authority |
| CARM access | Manage users, permissions and delegation | Use the access granted for the agreed services |
| Payment and security | Maintain the account, payment method and financial controls | Explain transaction or process issues affecting the file |
| Corrections | Approve the commercial explanation and retain evidence | Assess and process the customs action when instructed |
| Records | Retain the complete importer file and support internal accounting | Retain brokerage records under the service arrangement |
This table describes a control model, not a substitute for the importer’s service agreement or applicable customs requirements. The parties should document exceptions, especially where the broker provides additional accounting or payment-related services.
What to implement before the next process review
Importers can make the change manageable by documenting one end-to-end transaction. Start with a shipment received at a GTA facility and trace it from purchase order to commercial invoice, broker instruction, CAD, CARM statement, payment and general-ledger posting. Gaps usually appear at handoffs: missing product data, unclear approval, an unassigned portal notification or a statement that cannot be matched to the internal accrual.
The resulting procedure should name the owner for each step, specify the evidence required, and set an escalation route for errors. It should also distinguish routine transactions from events requiring customs review, such as a new product, new origin, related-party purchase, unusual valuation, permit-controlled good or material change in the commercial arrangement.
CARM therefore changes the importer’s accounting role in a practical way. The broker remains an important processing partner, but the importer now has a direct account-level view and needs to operate it as part of the customs control environment. Businesses that connect portal access, broker delegation, finance reconciliation and source-document retention will have a clearer record of what was declared, what was paid and who approved the underlying information.
This article is general information for Canadian importers and is not legal, tax or accounting advice for a specific transaction. Requirements can depend on the goods, importer, program and facts of the shipment.