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United States, Great Britain or Canada: which corridor is hardest

Last verified: 2026-08-25

The Australian half is identical

The United States, Great Britain and Canada are all Group 3 countries. Same rabies conditions, same 180-day wait, same permit, same Mickleham quarantine, same Melbourne arrival. If you are comparing corridors hoping one is materially faster, it is not.

What differs is the export half — and there the three countries have built genuinely different systems.

Side by side

United StatesGreat BritainCanada
Who may prepare the petUSDA-accredited veterinarian in the State where the work is doneOV under OCQ(V) SX or CA plus OV66 authorisationLicensed veterinarian; CFIA official endorses
Identity checkTwo accredited vets at different clinics, three VEHCS submissionsTwo OV66 OVs at unassociated practices, each emailing DAFF directlyReferenced “if issued”; route not documented on the CFIA page
CertificateUS certificate in VEHCSEHC 2580 (dog) / 2432 (cat)HA3200 (dog) / HA3199 (cat)
EndorsementUSDA, digitally through VEHCSOV66 OV, signature/date/stamp on every pageCFIA Official Veterinarian, all pages, at a booked appointment
Species-specific extra——Dogs: H3N2 canine influenza vaccine, or 10 days’ isolation + PCR + 48-hour exam
Hard internal deadlineIdentity Part 3 endorsed within 3 months of the first microchip scanBoth verification dates at least 180 days before exportEndorsement before the animal leaves Canada — no exceptions

Which is hardest, honestly

Great Britain, for one reason: recoverability.

The British system is the only one of the three where getting the order wrong cannot be repaired. An OV66 identity check completed after the RNATT cannot be recognised at all. If you restart to fix it, the earlier RNATT becomes invalid and the 180-day wait begins again. A permit already granted for 30 days cannot be converted to a 10-day permit.

Add the scarcity: only OV66-authorised OVs may do this work, and you need two of them at unassociated practices. That is a real availability constraint, not a formality, and it is the first thing to check rather than the last.

The United States is the most administratively involved — three VEHCS submissions, three user fees, two clinics — but it is also the most systematised. USDA endorses digitally and emails the final identity declaration to Australia itself. The three-month deadline on Part 3 is the thing to watch.

Canada is the simplest on paperwork and the most demanding in the final fortnight, because of canine influenza. An unvaccinated dog stacks ten days’ isolation, a PCR test and a 48-hour examination into the same window as the parasite treatments. Vaccinating early removes all of it — which makes Canada the corridor where one early conversation saves the most trouble.

The mistake all three share

Using the health certificate that came with the Australian import permit. APHIS and CFIA both say plainly that it is not the right form for their exporters. Each country has its own, and preparing the wrong one is discovered at the endorsement appointment.

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