The change results from the regulation of the Minister of Economy and Communications that entered into force on 25 October 2019, which states that cars, vans, O2-category trailers and L6e and L7e category vehicles with a body are only allowed to use studless winter tyres with the three-peak mountain and snowflake symbol.
The symbol is added if the winter tyre is classified as a winter tyre that can be used in heavy snow conditions. Tyres with the corresponding symbol are more suitable for snow conditions than the previously known tyres with the M + S symbol.
As an exception, vehicles using all-terrain tyres complying with UNECE Regulation No. 54 and marked with the corresponding professional all-terrain tyre symbol "POR" do not have to use tyres with the three-peak mountain snowflake symbol.
The symbol according to UNECE Regulation No. 117: