The definition of winter tires for heavy vehicles, which these lists are based on, is in Sweden accepted by the Transport Agency, and also now by the Norwegian Public Roads Administration for norwegian conditions.
Link to swedish regulations regarding winter tyres for truck in other language: https://www.transportstyrelsen.se/Publikationer/Vag/Trafikant/Underniva/
by the tire manufacturer, labeling of tires with M+S afterwards is not allowed and will not be approved by the Norwegian authorities.
Link to norwegian regulations regarding winter tyres for truck in other language: http://www.vegvesen.no/en/Vehicles/Seasonal/Tyres+and+snow+chains/Tyres+on+heavy+vehicles
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