Although there are no clear requirements for replacing summer tires with winter tires in Ukraine, most European countries have strict rules that can result in fines if broken. If you are planning a trip abroad, check the local requirements for using winter tires to avoid problems on the roads.

Basic rules in different European countries:
Moldova: Winter tires are mandatory from December 1 to March 1 if there is snow or ice on the road. Tires older than 7 years are only allowed to be used on snowy roads.
Poland: Winter tires are not mandatory, but recommended from November 1 to April 1. Chains may be useful on snowy roads. Police may issue a fine in the event of an accident or safety violation due to summer tires in winter. The fine may range from 20 to 500 PLN.
Romania: Summer tires are banned from November 1 to March 31. Fines for violations are 889 euros. Studded tires are banned.
Hungary: Winter tires are not mandatory, but chains may be required on some roads. Studded tires are prohibited.
Slovakia: M+S winter tyres (minimum 3 mm tread) are mandatory for trucks from 15 November to 31 March. Winter tyres are mandatory for all vehicles on winter roads from 15 November to 31 March.
Baltic States:
In Latvia, winter tyres are mandatory from 1 December to 1 March.
In Lithuania – from November 10 to April 1.
In Estonia – from December 1 to March 1.
Studded tires are prohibited from April 1 to November 1.
Germany: It is recommended to use winter tires from October to Easter. The fine for driving on summer tires in winter is from 60 to 120 euros. In case of an accident, the insurance company may refuse to pay.
Czech Republic: Winter tires are mandatory from November 1 to March 31 on winter roads or on special sections. The fine for not having winter tires can be up to CZK 2,000 (around EUR 80).
Austria: Winter tires are mandatory from November 1 to April 15 in winter conditions. Failure to comply will result in a fine of €35, or up to €5,000 in the event of an accident.
Switzerland: The use of winter tires is not mandatory, but if an accident occurs due to this reason, the culprit will be fined and the insurance claim will be denied.
France: For vehicles over 3.5 tonnes, 3PMSF tyres are mandatory from 1 November to 31 March.
When travelling in Europe in winter, follow local tyre requirements. Properly selected tyres will help you avoid fines and ensure your safety on slippery roads. Remember that even minor violations can lead to serious consequences, including the insurance company refusing to pay out in the event of an accident.
Be careful and follow the rules in any country you are in!