According to the laws of the Republic of Lithuania, cars up to 3.5 tons must drive with All Season or Winter tyres from November 10th. until April 1st. All Season and Winter tires must be marked with - Three-Peak Mountain Snowflake - 3PMSF. All Season tyres are often additionally marked All Season, All Weather, Four Seasons, 4 Seasons, but these markings are not mandatory. M+S does not mean that tyres is for winter conditions. M+S means that the tyre design is suitable for driving not only on asphalt but also on uneven ground like gravel road.