1. The competent authorities concerned by the coordinated action shall ensure that investigations and inspections are conducted in an effective, efficient and coordinated manner. They shall seek, simultaneously with one another, to conduct investigations and inspections and, to the extent that national procedural law so allows, to apply interim measures.

2. The mutual assistance mechanism pursuant to Chapter III may be used if it is needed, in particular to gather necessary evidence and other information from Member States other than the Member States concerned by the coordinated action or to ensure that the trader concerned does not circumvent enforcement measures.

3. Where appropriate, the competent authorities concerned by the coordinated action shall set out the outcome of the investigation and the assessment of the widespread infringement or, where applicable, the widespread infringement with a Union dimension in a common position agreed upon among themselves.