Inspection procedures. The technical working equipment on display will be inspected by the responsible supervisory authority to check that the design adheres to safety and accident prevention regulations and to check compliance with safety requirements. For the inspection of the CE mark by the relevant authority, the EC declaration of conformity must be available for inspection at the exhibition stand. In case of doubt, exhibitors should contact the responsible district government (Düsseldorf) at Bezirks- regierung Düsseldorf, Dezernat 55, Xxxxxxxx 00 00 00, 00000 Xxxxxxxxxx, Fon +49.(0)211.475-0 in good time before the trade fair starts.