What a milestone log actually shows
Businesses are generally limited in what they may ask about an assistance dog, and no single card or certificate settles every conversation. What a good milestone log does is show, in your own organized records, that your dog's work is trained behavior rather than a hope. Airlines, employers, and housing providers each ask different questions, and they ask them at stressful moments: a booking call, a first week at work, a new tenancy. A factual log you maintain voluntarily lets you answer calmly from paper instead of reconstructing two years of training from memory.
Entries worth keeping for each task
Record each task separately, because "well trained" proves nothing and a dated task history proves a great deal. For every task, note what the dog does, the cue he responds to, when he first performed it reliably, and the environments where he has held it under real distraction: a crowded station, a quiet office, a supermarket aisle. Add who observed the milestone, whether that was a professional trainer, a program assessor, or you working alone, and any formal evaluation the dog passed, with the organization that ran it and the outcome recorded at the time.
Public-access behavior belongs in the same log. Note the first outings where your dog settled under a table for a full meal, ignored dropped food, walked past other dogs without engaging, and rode in vehicles calmly. These entries matter because most questions from employers and transport staff are really about behavior in shared spaces, not about the task list itself. Keep the entries dated and plain. A short factual line written on the day carries more weight than a polished paragraph written a year later.
What different askers usually want to see
An airline conversation tends to center on behavior, health, and relief arrangements for the journey, and carriers may have their own forms to complete close to travel. An employer usually needs enough to plan reasonable adjustments: where the dog will rest, how breaks will work, and reassurance that the dog is under control in the workplace. A housing provider is typically concerned with the connection between your need and the dog's work, and may ask for supporting information through its own process.
You do not need to hand any of them your entire training history. Keep the full log for yourself, and prepare a short summary page you are comfortable sharing: the dog's identity, the categories of work he performs, his veterinary status, and your contact details. Knowing exactly what you will and will not share, decided in advance and in writing, turns an intrusive-feeling request into a routine exchange.
Keeping the file current without over-sharing
Update the log when a task is added, refined, or retired, and when your dog's health or working routine changes. File veterinary records, vaccination history, and any program paperwork in the same place as the log so one folder answers both the work questions and the health questions. Review the summary page whenever your circumstances change, such as a new job or a move, because the details an asker needs shift with the setting.
Holding the milestone log, health records, and summary page together in your KinsLe Pet Passport means the whole file travels with you, ready to open the relevant page without exposing more of your history than the conversation requires.