Writing for adults who may read it at 3 a.m. with a baby crying
Emergency authorisation for a cat staying in a family home with a cat and a newborn baby has a special audience: capable adults operating on broken sleep, possibly with one pair of hands already occupied by the baby. That shapes the document more than any legal formality. Keep it to one page, in large clear print, with the most urgent instruction first. Name your cat by name, colour, and microchip number at the top, and state which adult or adults may consent to emergency veterinary care for your cat during the stay. Distinguish your cat from the resident cat explicitly, because two cats, two owners' worth of details, and one stressful incident are exactly how the wrong animal's history reaches a vet.
Contacts and transport when the parents cannot both leave
List your phone number first, then a second decision-maker who is not part of the newborn household, then the regular vet and the out-of-hours emergency service with addresses. In this home, transport deserves its own line: if your cat needs the emergency vet at night, one parent may need to stay with the baby, so name in advance who can drive or accompany the cat, whether that is one of the parents, a nearby relative, or a neighbour who has agreed beforehand. State where your cat's carrier lives, which room your cat will be in, and that the cat travels in the carrier, not loose in a car with a baby seat and a distressed resident household around it. Note any payment arrangement you have agreed in general terms so cost questions do not slow the trip.
The emergencies this particular household should expect
Name the scenarios this stay actually creates. A fight with the resident cat is the most likely: bites and scratches that look minor can still need prompt veterinary attention, so the authorisation should say any bite wound, eye injury, limping, or sudden hiding after a scuffle means same-day veterinary advice at minimum. Add the signs that always count as urgent for your cat: not eating for a full day, repeated vomiting, straining in the litter tray, breathing difficulty, or collapse. Include a line about the baby interface too: if your cat scratches the baby or is found sleeping in the cot, that is a management problem to call you about the same day, not a veterinary emergency, and separating the two kinds of urgency helps tired parents triage calmly.
Authority, limits, and the resident cat boundary
Be precise about scope. The authorisation covers your cat only; the family's own cat remains under their arrangements, and your document should say so to prevent a vet visit where both cats' details blur. Say the authorisation runs for the stay dates as a period in words, that urgent stabilising care may proceed if you cannot be reached, and that decisions beyond urgent care should involve you or your named second contact where the cat's condition allows waiting. Ask the family to tell you about any incident the same day, even one that resolves, so patterns such as repeated scuffles are not hidden until collection day. Keep a printed copy on the fridge or beside the base-room door, places a tired adult will actually look.
Testing the plan before the week begins
Walk the family through the page once, out loud, before the stay: who is called first, which vet, who drives, where the carrier is. That two-minute rehearsal is what turns paper into a plan in a house where attention is scarce. Store the same information digitally with the daily routine so feeding notes and emergency notes travel together. Through KinsLe Care Pass, the parents get temporary access to your cat's authorisation summary, routine, and contact order as one distinct set, separate from their own cat's information.