Here in Spain cars have to pass an ITV , like the MOT in the UK. This is done as per the year of the car and depending on what vehicle type you have and the purpose for the use of the car.
Hire cars have to pass the ITV every 6 months normally, as do other commercial vehicles.
Servicios ITV – website to book in your car for ITV
ITV Inca
ITV Palma I (Pol. Son Castelló)
ITV Palma II (Can Pastilla)
ITV Manacor