Claim: IV liga, the fifth level of the Polish football league system, is structured by the new administrative district of Poland where 16 clubs are promoted to III Iiga, one from each voivodeship (is the highest-level administrative division of Poland, corresponding to a "province" in many other countries).
Evidence: IV liga (Czwarta Liga) is the 5th level of the Polish football league system. The current structure of IV liga was created in season 2008/09 after introducing new administrative division of Poland. 16 clubs, one from each voivodeship (province), are promoted to III liga. A voivodeship (/ˈvɔɪvoʊdʃɪp/; Polish: województwo [vɔjɛˈvut͡stfɔ; plural: województwa) is the highest-level administrative division of Poland, corresponding to a "province" in many other countries.