1. The national accreditation body may conduct an extraordinary assessment of the verifier at any time to ensure that the verifier meets the requirements of this Regulation.

2. For the purposes of enabling the national accreditation body to assess the need for an extraordinary assessment, the verifier shall inform the national accreditation body forthwith of any significant changes relevant to its accreditation concerning any aspect of its status or operation. Significant changes shall include those changes mentioned in the standard referred to in Annex III.