(1) In this section "risk rating system" means a system whereby a vehicle, premises or person is given a numerical rating based on the relative number and severity of any infringements of requirements relating to matters which the Authority may have regard to under subsections (4) and (5) and whereby vehicles, premises or persons, or categories of vehicles, premises or persons, with a higher rating are checked more closely and more often than vehicles, premises or persons with a lower rating.

(2) The Authority may introduce one or more risk rating systems for the purposes of the effective and targeted enforcement of this Part, Directive 2006/22/EC of the European Parliament and of the Council of 15 March 2006 [OJ No. L 102, 11.4.2006, p. 35], the European Communities (Road Transport Activities Checks) Regulations 2007 (S.I. No. 545 of 2007) and such other enactment as the Minister may specify in regulations.

(3) For the purposes of subsection (1) the Authority may determine a risk rating in relation to -

(a) a CVR vehicle,