A microchip is only as useful as the record behind it, and an international move breaks that record in predictable places: the address goes stale, the phone number stops working, and the chip itself may meet scanners built to a different standard. Every fix below is easier from your current home, with your current vet and registry accounts working, than from a new country in the first chaotic week.
Update the registry record before you move
Contact the registry that holds the chip record — the database the chip number is registered in — and update the record itself: the new address abroad, plus a phone number that works after the move. That second detail is the one owners miss. A mobile number you will cancel, a landline you are leaving behind, or a number that cannot receive calls from abroad leaves the record pointing at silence, and a chip record is contacted, not admired. If your mobile number travels with you, confirm it will work in the destination country and keep it as the primary contact; add an email address the registry can use, and a second contact who will not be mid-flight when a call might come.
Put a diary note on the moving date and do the updates before it, then check the record afterwards by looking it up or asking the registry to confirm the new details are live. Updates requested are not updates applied, and the week of a move is when confirmation emails go unread.
Check the chip can be read where you are going
Not every chip speaks to every scanner. Check whether your dog's chip follows the ISO standard — the internationally standardised type that destination scanners are typically built to read. Your vet can scan the chip, tell you its type and confirm it is still transmitting and sitting where it should be; chips occasionally migrate under the skin or, rarely, fail. If the chip is an older non-standard type, ask your vet about the practical options before travel, which may include carrying a compatible scanner or adding a second chip, rather than discovering at a border or a foreign practice that the number cannot be pulled up. Get the chip checked at the same appointment where you gather the records below, so one visit covers the whole chip picture.
Paperwork, a second registry and records that travel
The destination's import paperwork is its own project, and its requirements vary by country and change over time — which certificates, which vaccinations, which waiting periods and which forms. Confirm the current requirements from the destination's official sources and your vet well before travel, and treat the chip record as part of that paperwork: many import processes require the chip number to appear consistently across the health certificate and other documents, and a mismatch between the number scanned and the number written is a delay you can prevent by checking documents character by character.
Once you arrive, consider registering with a registry in the destination country as well, so a finder or practice there can reach a local database quickly — while keeping the original record updated rather than abandoning it, because the original registry may still be the one a scanner's database search reaches first, and because you may move again. Two live records with current details are a strength; two stale ones are just two dead ends.
Finally, your dog's vet records travel with you: the vaccination history, the chip paperwork, and notes of any ongoing conditions or medicines, carried in hand luggage rather than shipped with the furniture, ready for the new practice at the first appointment and for anyone official who asks on the journey. A move abroad generates a small library of documents that must agree with each other. Keeping the chip confirmation, certificates and vet history together in one packet — the arrangement KinsLe provides as its Pet Passport — means the version you hand over at any desk is complete, current and consistent.