Traveling abroad with your cat is entirely feasible with proper preparation. Customs authorities verify that your pet meets all health requirements. Non-compliance can lead to quarantine or, in severe cases, euthanasia at your expense. Requirements vary significantly between European destinations and other countries worldwide.

To travel with your cat anywhere in the world, identification is mandatory. You have two options.
Since July 3, 2011, pets must be fitted with a subcutaneous electronic microchip compliant with ISO 11784 standards.
For cats identified before July 3, 2011, a legible tattoo on the inner ear is acceptable, provided you can present the issuing veterinarian's certificate. More details are available on Le Mag du Chat.
For travel within Europe (excluding Ireland, Malta, Sweden, and the UK, which have additional rules), and to Andorra, Iceland, Liechtenstein, Monaco, Norway, San Marino, Switzerland, and the Vatican, your cat needs an EU pet passport. This does not apply to direct flights from mainland France to overseas territories.
Issued by a licensed veterinarian, the passport confirms rabies vaccination and proper identification via microchip or tattoo. It accompanies your cat for life.
Some countries may impose extra entry conditions, so contact the relevant embassy or consulate in advance. This is crucial for non-EU destinations, as rules vary. For air travel, check airline policies—many limit pets per flight and cabin allowances.
Regardless of destination, your cat must be up-to-date on vaccinations, especially rabies. The first dose is given at 12 weeks, becoming valid 21 days later. Thus, your cat must be at least 15 weeks old to travel, preventing rabies transmission back to France.