Authorisation for the LEZ: vehicle for itinerant trade, markets and forums Breadcrumb of search result Home Mobility in Ghent Low-emission zone in Ghent Authorisation for the LEZ: diesel vehicle euro 4 emissions standard Authorisation for the LEZ: vehicle for itinerant trade, markets and forums Is your vehicle not authorised to enter the LEZ? Purchase a temporary permit. The amount you pay depends on the euro emissions standard. Read more about Authorisation for the LEZ: vehicle for itinerant trade, markets and forums