Approval authorities shall designate technical services for one or more of the following categories of activities, in accordance with their fields of competence:
|
(a)
|
category A : carrying out the tests referred to in this Regulation in the facilities belonging to the technical service in question;
|
|
(b)
|
category B : supervising the tests referred to in this Regulation, where such tests are performed in the facilities of a manufacturer or of a third party;
|
|
(c)
|
category C : assessing and monitoring on a regular basis the manufacturer's procedures for ensuring the conformity of production;
|
|
(d)
|
category D : supervising or performing tests or inspections for ensuring the conformity of production.
|