Why One Giant File Serves Nobody Well
A cat who sees a vet, a groomer, and a cattery has three audiences with almost no overlap in what they need on the day. Handing the cattery your full clinical history buries the feeding routine they actually use, and handing the groomer nothing but a vaccination card misses the skin sensitivity that shapes the whole appointment. The answer is one master file kept by you, and a short sheet drawn from it for each service, written in the order that service will use it.
What Each Sheet Should Carry
The vet's information is the master itself: vaccination history, chip details, past treatment, and your own dated notes about appetite, weight, or behaviour changes since the last visit. The groomer's sheet is narrower and more practical: coat type and matting tendencies, any skin areas to avoid, how she tolerates brushing, bathing, and dryers, whether she needs breaks, and proof of vaccination if the salon requires it. A groomer who knows a cat freezes rather than fights will handle her entirely differently.
The cattery sheet is a care sheet: vaccination proof first, because boarding depends on it, then food and feeding times, litter preference, medication routine in general terms, emergency contact, and your vet's number with permission for the cattery to use it. Add one line about what she is like away from home, such as hiding for the first day then settling, so staff read normal shyness correctly instead of worrying.
Refresh After Change, Not Before Each Booking
Tailored sheets go stale when they are only revisited in a rush. Instead, update the master whenever something changes, a new vaccination, a food switch, a note from the groomer about a sore spot, and regenerate the affected sheet at that moment. Writing the date on each sheet tells you at a glance whether the cattery copy predates the latest booster. Keep the retired versions briefly; a dated trail is useful if a service questions what they were told and when.
A Worked Example of One Change Rippling Outward
Say the vet finds a sore patch and advises a gentler grooming approach and a follow-up check. That single event should update all three audiences differently: the master file gains the vet's note and the review date, the groomer's sheet gains a line about avoiding the area and skipping any bath until the recheck, and the cattery sheet gains nothing unless a booking falls before that recheck, in which case staff need to know not to be alarmed by the patch and who to call if it worsens. Handling one change three tailored ways, on the day it happens, is the entire system in miniature, and it takes minutes when the master file is already in order.
Keep the Master Easy to Hand Over
Store the master where you can reach it from your phone, because the request for proof usually arrives while you are standing at a reception desk. When a new groomer or cattery asks for everything at once, you can send the right sheet in minutes instead of photographing a folder at midnight. Holding that master set in KinsLe's Pet Passport keeps every tailored sheet you send drawn from the same complete, portable packet of her records.