Market surveillance authorities shall carry out regular checks to verify that vehicles, systems, components and separate technical units comply with the relevant requirements. Such checks shall be performed on an adequate scale by means of documentary checks and, where appropriate, laboratory tests and on-road tests conducted on the basis of statistically relevant samples. When carrying out such checks, market surveillance authorities shall take account of: (a) established principles of risk assessment;
prionsabail sheanbhunaithe an mheasúnaithe riosca;