The adequate scale of the compliance verification checks of vehicles, systems, components and separate technical units performed by the market surveillance authorities shall be established based on the following criteria:
(a)
the frequency of documentary checks on vehicles, systems, components and separate technical units carried out on vehicles registered in the relevant Member State in the preceding year;
(b)
the number of tests per year taking into account the requirements set out in Article 8(2) and (3) of Regulation (EU) 2018/858;
(c)
a hazard ranking of the regulatory acts listed in Annex II to Regulation (EU) 2018/858, based on the risk and the likelihood of the hazard occurring;
(d)
the number of new vehicles registered in the relevant Member State in the preceding year, by make and commercial name;
(e)
the substantiated complaints per make and commercial name of vehicles in the previous three years;
(f)
information exchanged in the Forum in the previous three years;
(g)
testing results published by third parties in the previous three years, that meet the requirements laid down in Article 6;
(h)
the percentage of tests allocated to the number of vehicles registered and the percentage of tests allocated to random sampling.