TPMS.
From 2012, a European type approval requires a TPMS system in the vehicle (up to 3500KG vehicles). From 2014 it is an obligation for the new vehicles. From 2018, cars with a tire pressure monitoring system (direct or indirect) on board must have a working system. From May 2018, a repair advice will be given during the MOT inspection.
The RDW reports this in 2017. For cars from the year of construction 2018, rejection does not apply to a non-functioning system.