Simply share your location with Caern via WhatsApp when you finish work late.
Send your finish time, two taps, then receive a timestamped location certificate.
You get the pay or time off you deserve, Caern removes the friction.
For resident doctors
How it works
- 1
Message Caern on WhatsApp when you finish beyond your rostered hours. Free, no login, no forms to fill.
- 2
Caern guides you through the info it needs, two taps and you're done.
- 3
Receive a timestamped location certificate - secure proof of your report, stronger than a screenshot.
18:45
‹CaernBusiness account
Today
Late finish
Submitting an exception report, on it. Were you onsite or non-resident on-call (NROC)?
CaernSubmitting an exception report, on it. Were you onsite or non-resident on-call (NROC)?
Onsite1. Tap the + button to the left of the text box
2. Tap the 'Location' button
3. Tap 'Send your current location', not a saved or searched place
Share your location as you leave - the door or the car park is fine, just do it whilst you're still onsite.
HospitalCurrent locationShared live from the car park
Thanks, got your location. What time were you meant to finish?
5pm
And what time did you actually finish?
6.30pm
Logged ✅
Your proof - caern.ai/verify/…
Meant to finish 17:00, actually finished 18:30 - 1h 30m over.
Location logged at 18:44.
Keep this link for your evidence.
Would you like this paid or as time off in lieu?
CaernWould you like this paid or as time off in lieu?
PayGot it - recorded as pay.
Last step - send your proof link to your trust exception reporting email to file it.
+
4 Feb 2026
Reformed exception reporting became mandatory in every English trust.
4 Aug 2026
Access and completion fines double to £500 per doctor per week, and the response window tightens to 7 days.
94%
of resident doctors work beyond their hours at least monthly - and half have never reported it. BMA survey, 2024.
10 Point Plan
Point 7: enable and encourage exception reporting. NHS England, Aug 2025.
What you get
Pay or time off in lieu
Your choice, played back to you before anything is submitted.
Proof that is yours
A timestamped certificate of receipt. Portable, and stronger than a screenshot.
Free, forever
Caern Exception Reporting is free for resident doctors. No catches.