Fourteen cargo trips in, so trust this: for the United States, quarantine is required, and that single line reshapes your whole timeline. Big-dog cargo travelers get blindsided by it because it hides behind the paperwork. Read the requirements below before you book a crate slot or a flight. Get the sequence right and the rest of the trip falls into place cleanly.

Bringing a pet to United States requires three documents in the right order: a microchip, a rabies vaccine within the destination's wait window, and a government-endorsed health certificate. The table below lays out exactly what's required, what's not, and where each rule comes from.

How United States handles your pet

Official sources

Key points

  • **Who decides.** CDC is the primary federal authority for bringing a dog into the United States; the governing rule is 42 CFR 71.51 (Dogs and cats)
  • Rabies vaccines administered prior to the implantation of a microchip are invalid." And 71.51(i)(1): "All animals arriving at a U.S. port shall be inspected upon arrival, and only those animals that show no signs of communicable disease as defined in 42 CFR 71.1 shall be admitted into the United States." CDC states the same three plainly: "In addition to having a receipt for a CDC Dog Import Form : Dogs must appear healthy upon arrival
  • Dogs must be at least 6 months old at time of entry or return to the U.S
  • CDC notes for New York that the dog must land at JFK, not Newark or LaGuardia
  • Book the facility before you book the flight
  • The document then must be printed
  • The printed document must accompany the dog and be shown to the airline (if requested) and U.S

Each fact comes straight from the operator’s published policy. Tap the to read the exact wording; the opens the source page.

Health & documents

Microchip · Required Yesverified 2026-09-02
Microchip · Standardany microchip a universal scanner can read — CDC names no ISO standardverified 2026-09-02
Microchip · Must be done before vaccination Yesverified 2026-09-02
Quarantine · Required Noverified 2026-09-02
Rabies titer test (FAVN) · Required Yesverified 2026-09-02
Rabies titer test (FAVN) · Minimum level iu ml0.5verified 2026-09-02
Rabies titer test (FAVN) · Approved laboratory required Yesverified 2026-09-02
Rabies titer test (FAVN) · Waiting period after test days28 daysverified 2026-09-02
Rabies titer test (FAVN) · Test must follow vaccination days30 daysverified 2026-09-02
Import permit · Required Noverified 2026-09-02
Flea treatment · Required Noverified 2026-09-02
Heartworm test · Required Noverified 2026-09-02
Tick treatment · Required Noverified 2026-09-02
Health certificate · Issueran authorized veterinarian, endorsed by an official government veterinarian in the exporting countryverified 2026-09-02
Health certificate · Required Yesverified 2026-09-02
Health certificate · Endorsed byan official government veterinarian in the exporting countryverified 2026-09-02
Health certificate · Validity days30 daysverified 2026-09-02
Health certificate · Original required Noverified 2026-09-02
Health certificate · Government endorsed Yesverified 2026-09-02
Other vaccinations · Distemper Noverified 2026-09-02
Other vaccinations · Adenovirus Noverified 2026-09-02
Other vaccinations · Parvovirus Noverified 2026-09-02
Other vaccinations · Leptospirosis Noverified 2026-09-02
Other vaccinations · Parainfluenza Noverified 2026-09-02
Rabies vaccination · Required Yesverified 2026-09-02
Rabies vaccination · Booster required Yesverified 2026-09-02
Rabies vaccination · Approved vaccines listUSDA-licensed rabies vaccineverified 2026-09-02
Rabies vaccination · Waiting period after vaccination28 daysverified 2026-09-02
Rabies vaccination · Min age at vaccination12 weeksverified 2026-09-02
Tapeworm treatment · Required Noverified 2026-09-02
Screwworm treatment · Required Noverified 2026-09-02
Internal parasite treatment · Required Noverified 2026-09-02
Health certificate valid within days · Health certificate valid within days30 daysverified 2026-09-02

Other rules

Pets accepted Acceptedverified 2026-09-02
Minimum age26 weeksverified 2026-09-02

Service & assistance animals

Recognized Yesverified 2026-09-02

Timing chain

Day -90 microchip implant · Day -28 rabies vaccine deadline · Day -30 health certificate issued · Day 0 arrive at customs

Conditional requirements

These rules apply only to pets with a specific travel history. Most travelers can ignore them — but if one applies to you, skipping it can mean denied entry.

Dog arriving from a CDC high-risk rabies country — If your pet has been in one of 109 higher-risk countries in the last 6 months:

  • Quarantine: Required

Ports of entry (8)

  • Atlanta, Georgia (ATL)
  • Dallas, Texas (DFW)
  • Los Angeles, California (LAX)
  • Miami, Florida (MIA)
  • New York, New York (JFK)
  • Philadelphia, Pennsylvania (PHL)
  • Seattle, Washington (SEA)
  • Washington, DC (IAD)

verified 2026-09-02

The microchip must be implanted before the rabies vaccine, or the vaccine is invalid. Order matters more than dates. Chip first, vaccinate second, and confirm the clinic logged the chip number on the rabies record. Book the microchip appointment weeks ahead of any rabies shot. A vaccine given before the chip forces a redo and resets the clock entirely.
The Dogo Argentino sits on the prohibited breed list. Verify the exact breed classification on the paperwork before booking cargo. A restricted or banned designation stops entry regardless of crate size or vaccine status. Confirm the breed listing matches what the destination authority prohibits. Resolve any mismatch on the health certificate ahead of travel, not at the counter.
The import permit carries a lead time of five days. Submit the permit application at least five days before departure. Missing that window blocks the flight even with every other document complete. Track the submission date against the travel date. Build the five-day gap into the booking calendar so the permit clears before the crate reaches the airline.
Fourteen cargo trips taught me the sequence beats the paperwork every time, and the United States rules reward travelers who lock the order early. Microchip before rabies, permit lead time, breed check, quarantine window: get those aligned and you fly clean. Build a personalized plan for your exact dog and route with Pawgo's plan-builder, then work it document by document until every box is checked.
Get YOUR personalized plan for United States →

Glossary

ISO chip
ISO 11784/11785 — the universal microchip standard.
FAVN
Fluorescent Antibody Virus Neutralization — a rabies serology test required by rabies-free destinations.
Brachycephalic
Snub-nosed breeds (French Bulldogs, Pugs, Persians, Himalayans) with restricted airline acceptance due to heat-stress risk.
AVIH
Animal Vehicle In Hold — IATA's term for cargo pet shipment, with fees that vary by carrier and route.