Technically yes - it's a fetac lvl 6 requirement, 'or equivelant qualification', and to get registered one installation has to be certified by another registered sparks before you can self certify. There're ways around it, and EU qualifications from the eastern states can be fairly difficult to check.
I love the smell of rotaries in the morning. You know one time, I got to work early, before the rush hour. I walked through the empty carpark, I didn't see one bloody Prius or Golf. And that smell, you know that gasoline smell, the whole carpark, smelled like.... ....speed.
One day they're going to ban them.