CARM Tariff Treatment Bug Fixed: CPTPP Origin, UK Export Now Accepts TT33
CBSA fixed a CARM system issue that was forcing MFN treatment on goods originating from CPTPP countries but exported from the UK. The fix allows brokers to claim the correct TT33 preference on qualifying shipments, closing a gap that was costing importers duty overpayment or triggering EDI rejects.
CPTPP Origin, UK Export: CARM Now Accepts the Right Tariff Code
CBSA fixed a CARM system bug last week that was blocking the correct tariff treatment on a specific but common shipping pattern: goods originating from a CPTPP member country, exported via the United Kingdom. The system was forcing MFN (Most Favoured Nation) treatment or throwing EDI rejects when brokers tried to claim TT33 (CPTPP preferential tariff). The fix is live now, and if you’ve been manually overriding or eating the MFN duty rate on these shipments, it’s time to file them correctly.
The issue hit importers bringing in goods made in CPTPP countries (Vietnam, Japan, Malaysia, Singapore, etc.) that route through UK consolidation or distribution. The product qualifies for CPTPP origin under the agreement’s rules, but the place of export on the commercial invoice and transport documents is the UK. That’s a legitimate pattern. CARM wasn’t set up to handle it.
When filing the CAD, brokers would enter the CPTPP country as origin and the UK as place of export. CARM would either reject the transaction outright or limit the tariff treatment dropdown to MFN, ignoring TT33 entirely. The workaround was to file at MFN and eat the duty difference, or to force the entry through and deal with follow-up queries. Neither option is clean, and the duty overpayment on some tariff lines is substantial. CPTPP rates on textiles, electronics, and certain auto parts can sit 5 to 10 percentage points below MFN.
CBSA’s fix allows the country of origin (any CPTPP party) and place of export (United Kingdom) combination with Tariff Treatment 33. The update applies to goods originating from CPTPP members, so the full list: Australia, Brunei, Chile, Japan, Malaysia, Mexico, New Zealand, Peru, Singapore, and Vietnam. If the shipment clears CPTPP origin rules and the UK is just the export point, TT33 is now available in CARM without a reject.
This matters because CPTPP origin determination is product-of vs wholly-obtained vs tariff-shift, and the place of export has nothing to do with it. A garment cut and sewn in Vietnam qualifies for CPTPP origin even if it ships from a UK warehouse six months later. The commercial reality is that UK distribution hubs handle a lot of Asia-origin goods moving into Canada, especially for importers consolidating from multiple CPTPP suppliers. The CARM bug was penalizing a normal supply chain structure.
The practical filing change: when you have a CPTPP-origin good exported from the UK, you can now claim TT33 on the CAD without the system fighting you. You still need proof of origin (the usual CPTPP Certificate of Origin or supplier declaration), and the tariff-shift or regional value content test still has to clear. The fix doesn’t change the substantive origin rules, it just stops CARM from blocking a valid claim.
If you filed any of these shipments at MFN in the last few weeks because CARM wouldn’t accept TT33, you have a duty refund claim under section 74. Four-year window, and the math is straightforward: the difference between what you paid at MFN and what you would have paid at TT33, assuming the origin documentation supports the claim. We’re running those adjustments now for a handful of electronics importers who were stuck filing at MFN while the bug was live.
The fix also closes the EDI reject loop. Some broker systems were pre-populating TT33 based on the origin country code, and CARM was bouncing the transmission because it expected MFN. That reject cycle added a day to release timelines if the broker didn’t catch it before the initial submission. The update should eliminate that friction.
One detail CBSA didn’t publish: whether this fix extends to other preferential agreements with similar origin/export splits. The CUSMA and CETA frameworks don’t have the same UK export pattern (the UK isn’t in either agreement), but there are other place-of-export mismatches that pop up. Goods originating in the EU under CETA but exported from Norway or Switzerland, for example. Or CUSMA goods originating in Mexico but exported from a US port after bonded transit. CARM’s tolerance for those combinations is still inconsistent, and we’re watching whether CBSA applies the same logic across agreements or treats this as a CPTPP-UK carve-out.
For now, the message is narrow: CPTPP origin, UK export, TT33 works. If your import flow includes that pattern, update your brokerage team or your in-house CAD process to claim the right tariff treatment. The system won’t block it anymore, and the duty savings are tangible.
CBSA’s CARM portal documentation hasn’t been updated with this fix yet, but the change is live in production. If you’re running into similar tariff treatment issues on other agreement combinations, document the reject and flag it. CBSA is fixing these on a case-by-case basis, and the faster they hear about a pattern, the faster it gets resolved.
If you’ve been filing CPTPP-origin shipments at MFN because the system was rejecting TT33, that’s a math problem worth cleaning up. Get in touch.
Source: CSCB