1.The national accreditation body shall carry out an annual surveillance of each verifier to which it has issued an accreditation certificate.
The surveillance shall at least comprise of:
(a)a visit to the premises of the verifier with a view to carrying out the activities referred to Article 47(1)(b);
(b)witnessing the performance and competence of a representative number of the verifier’s staff in accordance with Article 47(1)(c).
2.The national accreditation body shall carry out the first surveillance of a verifier in accordance with paragraph 1 no later than 12 months after the date on which the accreditation certificate has been issued to that verifier.
3.The national accreditation body shall prepare its plan for the surveillance of each verifier in a manner that allows for representative samples of the scope of accreditation to be assessed, in accordance with the requirements laid down in the harmonised standard referred to in Annex III.
4.Based on the results of the surveillance referred to in paragraph 1, the national accreditation body shall decide whether to confirm the continuation of accreditation.
5.Where a verifier carries out a verification in another Member State, the national accreditation body that has accredited the verifier may request the national accreditation body of the Member State where the verification is performed to carry out surveillance activities on its behalf and under its responsibility.