ILO homeIndustries and sectorsShipping; ports; fisheries; inland waterwaysResources on Shipping, ports, fisheries, and inland waterways sector Resources on Shipping, ports, fisheries, and inland waterways sector Denmark ratifies the Maritime Labour Convention, 2006 (MLC, 2006) 23 June 2011 Denmark becomes the third EU member state, after Spain and Bulgaria, to ratify the landmark Maritime Labour Convention, 2006.