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How long should I keep paper vaccination certificates after I have photographed them as a backup?

Published October 25, 2026

The short answer

Keep the paper certificates for as long as you have the cat, and ideally for good: a photograph is an excellent back-up, but catteries, registries and new vet practices may ask for originals, and a photo is only useful if it is legible, complete and findable. Photograph each certificate flat, in good light, with every date, vaccine detail and stamp readable, and file the images under your cat's name rather than leaving them buried in a camera roll. KinsLe's Pet Passport keeps those certificates, vet history and routine notes together in one portable packet, ready for vet visits, travel, boarding and handoffs.

A photograph protects you if paper goes missing, but it does not replace the paper itself. Originals are what a cattery, a registry or a new vet practice may ask to see, and a certificate only earns its keep when the copy is legible, complete and quick to find. Store the paper in your cat's file in date order, keep the photographs in a named digital folder as well as on your phone, and never throw an old certificate away when a new one arrives, because the full sequence is her vaccination history.

Why Originals Still Get Asked For

A single certificate shows one vaccination event; the run of them shows the pattern — which vaccines she has had, at what intervals, and whether anything is overdue. That sequence is what a boarding cattery checks before accepting a stay, what a new practice uses to plan boosters without repeating doses unnecessarily, and what proves her status if paperwork is ever questioned. Paper also survives phone upgrades, lost logins and corrupted backups, which is why the original and the photograph back each other up rather than competing.

Check each photograph properly before filing it: zoom in and confirm the cat's name, the dates, the vaccine stickers or stamps and the practice details are all readable. A blurred shot discovered on the morning of a cattery drop-off is no back-up at all, so re-photograph anything soft while the paper is still in your hand.

A Workable Filing Routine

Set the file up once, in this order, and then maintain it as paperwork arrives:

  • Keep ID details, microchip number and a recent clear photo at the front of the file
  • Add each new certificate in date order behind the previous ones, photographing it the same day
  • File vet visit notes, test results and medication details alongside the matching certificate dates
  • Record her daily routine — food, amounts, times, quirks and vet contact — in the same folder
  • Share a copy of the file with your emergency contact and your regular sitter

Review the folder whenever a booster is done or a new vet letter arrives. A two-minute check then — everything present, every image readable — is what makes the file trustworthy on the stressful day when someone needs her history fast.

Keeping the File Alive Over Years

Certificates accumulate across a cat's whole life, and the file only stays useful if updating it is a same-day habit rather than an annual excavation. Agree with anyone who shares her care which folder is the real one, so a vaccination given while you were away still lands in the same place. KinsLe's Pet Passport is where that packet lives — a single portable record of certificates, dates and vet history that a sitter, cattery or new practice can work from straight away.

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