I have an official appointment on [date] I can't reschedule and will need to leave by [time].
Running late
Running Late From A visa appointment: Telling Your Boss
If a visa appointment runs over, a prompt update with a revised time keeps your manager informed and your day workable.
Say what you need, briefly
Visa and biometrics appointments are fixed and office-hours only. Name it as an official appointment you can't reschedule.
Update your return time clearly
If you're running late back, send a short update as soon as you know, with a revised time and confirmation that nothing urgent is slipping. A prompt, factual update protects trust better than going quiet.
Example messages
I have an immigration appointment early on [date] and may be in a little late; I'll make up what I miss.
A fixed official appointment means I need to leave by [time] on [date]; priorities covered first.
Mistakes to avoid
Don't go quiet and let people wonder. A short, prompt update with a new time is what's needed.
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This page shares wording ideas, not legal or HR advice. Follow your own employer's time-off policy.
Common questions
Do I say it's a visa appointment?
No. An official appointment you can't reschedule is complete.
When should I send the update?
As soon as you know you'll be late back, with a revised time and cover confirmed.