Can you use run-flat tyres after a puncture without a tyre-pressure monitoring system?

The NI road-safety guidance says run-flat tyres should only be used with a tyre-pressure monitoring system.

Run-flats may let a vehicle continue at reduced speed for a limited distance after pressure loss, but the permitted distance and speed depend on the tyre and vehicle. Follow the handbook and the tyre maker's limits; do not assume the tyre is safe simply because the car still handles normally.