According to the explanations (provided on 28.11.2024) by the Ministry of infrastructure of the Republic of Poland regarding the passage of vehicles from/through the territory of the Republic of Poland to third countries (including Ukraine !!!) all vehicles weighing more than 3.5 tons must be registered in the Polish rmpd system (Rejestr Międzynarodowych Przewozów Drogowych) https://www.gov.pl/web/gitd/sent .
For driving a vehicle (including buses, ambulances, special equipment and any other vehicles weighing more than 3.5 tons) without registration in the RMPD system, the Polish regulatory authorities impose a fine of 13,500 zlotys (12,000 zlotys per company - carrier that carries out transportation and PLN 1,500 per driver), which is approximately US 3,375 for each vehicle, including vehicles that were transferred to the Ukrainian side as humanitarian aid and vehicles that were first purchased/donated for the needs of the Ukrainian side and are being transported for the first registration in Ukraine.
To avoid penalties, please take note of this information. We recommend that you make mandatory registration in the RMPD system before starting !!! movement of vehicles on the territory of the Republic of Poland.